./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3134c54bcf8aadaf562f6870f2277db1ec6f958b1ed6dba99e7410745dba79ba --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:24:48,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:24:48,611 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:24:48,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:24:48,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:24:48,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:24:48,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:24:48,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:24:48,631 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:24:48,631 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:24:48,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:24:48,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:24:48,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:24:48,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:24:48,633 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:24:48,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:24:48,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:24:48,633 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:24:48,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:24:48,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:24:48,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:24:48,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:24:48,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:24:48,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:24:48,634 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:24:48,634 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:24:48,634 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:24:48,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:24:48,634 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:24:48,634 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:24:48,635 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:24:48,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:24:48,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:24:48,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:24:48,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:24:48,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:24:48,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:24:48,635 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:24:48,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:24:48,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:24:48,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:24:48,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:24:48,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:24:48,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:24:48,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:24:48,636 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3134c54bcf8aadaf562f6870f2277db1ec6f958b1ed6dba99e7410745dba79ba [2025-02-08 09:24:48,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:24:48,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:24:48,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:24:48,871 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:24:48,871 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:24:48,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2025-02-08 09:24:50,001 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e91147b8/6c870a90dd9446dcb5e7abc0a1de1bda/FLAG19367f521 [2025-02-08 09:24:50,248 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:24:50,253 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2025-02-08 09:24:50,261 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e91147b8/6c870a90dd9446dcb5e7abc0a1de1bda/FLAG19367f521 [2025-02-08 09:24:50,575 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e91147b8/6c870a90dd9446dcb5e7abc0a1de1bda [2025-02-08 09:24:50,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:24:50,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:24:50,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:24:50,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:24:50,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:24:50,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:24:50" (1/1) ... [2025-02-08 09:24:50,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19bc57e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50, skipping insertion in model container [2025-02-08 09:24:50,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:24:50" (1/1) ... [2025-02-08 09:24:50,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:24:50,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:24:50,709 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:24:50,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:24:50,740 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:24:50,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50 WrapperNode [2025-02-08 09:24:50,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:24:50,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:24:50,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:24:50,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:24:50,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50" (1/1) ... [2025-02-08 09:24:50,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50" (1/1) ... [2025-02-08 09:24:50,765 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2025-02-08 09:24:50,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:24:50,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:24:50,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:24:50,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:24:50,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50" (1/1) ... [2025-02-08 09:24:50,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50" (1/1) ... [2025-02-08 09:24:50,773 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50" (1/1) ... [2025-02-08 09:24:50,780 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 09:24:50,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50" (1/1) ... [2025-02-08 09:24:50,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50" (1/1) ... [2025-02-08 09:24:50,783 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50" (1/1) ... [2025-02-08 09:24:50,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50" (1/1) ... [2025-02-08 09:24:50,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50" (1/1) ... [2025-02-08 09:24:50,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50" (1/1) ... [2025-02-08 09:24:50,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:24:50,786 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:24:50,786 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:24:50,787 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:24:50,787 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50" (1/1) ... [2025-02-08 09:24:50,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:24:50,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:50,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:24:50,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:24:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:24:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 09:24:50,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 09:24:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:24:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:24:50,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:24:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:24:50,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:24:50,874 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:24:50,876 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:24:51,271 INFO L? ?]: Removed 156 outVars from TransFormulas that were not future-live. [2025-02-08 09:24:51,271 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:24:51,284 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:24:51,285 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:24:51,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:24:51 BoogieIcfgContainer [2025-02-08 09:24:51,285 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:24:51,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:24:51,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:24:51,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:24:51,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:24:50" (1/3) ... [2025-02-08 09:24:51,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7549f437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:24:51, skipping insertion in model container [2025-02-08 09:24:51,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:50" (2/3) ... [2025-02-08 09:24:51,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7549f437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:24:51, skipping insertion in model container [2025-02-08 09:24:51,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:24:51" (3/3) ... [2025-02-08 09:24:51,295 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound50.c [2025-02-08 09:24:51,304 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:24:51,306 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd-ll_valuebound50.c that has 3 procedures, 140 locations, 1 initial locations, 1 loop locations, and 56 error locations. [2025-02-08 09:24:51,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:24:51,348 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1f6cf43d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:24:51,348 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2025-02-08 09:24:51,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 70 states have (on average 1.8714285714285714) internal successors, (131), 126 states have internal predecessors, (131), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:24:51,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-08 09:24:51,356 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:51,357 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:51,358 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:51,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:51,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1844845110, now seen corresponding path program 1 times [2025-02-08 09:24:51,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:51,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375706999] [2025-02-08 09:24:51,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:51,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:51,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:24:51,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:24:51,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:51,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:51,494 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:24:51,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:51,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375706999] [2025-02-08 09:24:51,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375706999] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:51,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486021559] [2025-02-08 09:24:51,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:51,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:51,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:51,506 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:51,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:24:51,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:24:51,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:24:51,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:51,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:51,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 09:24:51,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:51,567 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:24:51,569 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:51,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486021559] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:51,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:51,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 09:24:51,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313838750] [2025-02-08 09:24:51,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:51,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:24:51,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:51,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:24:51,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:24:51,593 INFO L87 Difference]: Start difference. First operand has 140 states, 70 states have (on average 1.8714285714285714) internal successors, (131), 126 states have internal predecessors, (131), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:24:51,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:51,619 INFO L93 Difference]: Finished difference Result 278 states and 314 transitions. [2025-02-08 09:24:51,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:24:51,621 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2025-02-08 09:24:51,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:51,626 INFO L225 Difference]: With dead ends: 278 [2025-02-08 09:24:51,626 INFO L226 Difference]: Without dead ends: 136 [2025-02-08 09:24:51,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:24:51,634 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:51,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:24:51,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2025-02-08 09:24:51,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2025-02-08 09:24:51,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 68 states have (on average 1.838235294117647) internal successors, (125), 123 states have internal predecessors, (125), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:24:51,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 145 transitions. [2025-02-08 09:24:51,679 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 145 transitions. Word has length 25 [2025-02-08 09:24:51,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:51,679 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 145 transitions. [2025-02-08 09:24:51,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:24:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 145 transitions. [2025-02-08 09:24:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-08 09:24:51,681 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:51,681 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:51,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:51,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 09:24:51,885 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:51,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:51,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1822899732, now seen corresponding path program 1 times [2025-02-08 09:24:51,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:51,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260159174] [2025-02-08 09:24:51,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:51,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:51,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:24:51,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:24:51,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:51,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:51,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480614825] [2025-02-08 09:24:51,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:51,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:51,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:51,920 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:51,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:24:51,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:24:51,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:24:51,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:51,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:51,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:24:51,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:24:51,990 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:51,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:51,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260159174] [2025-02-08 09:24:51,991 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:51,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480614825] [2025-02-08 09:24:51,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480614825] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:51,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:51,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:24:51,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851348426] [2025-02-08 09:24:51,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:51,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:24:51,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:51,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:24:51,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:51,992 INFO L87 Difference]: Start difference. First operand 136 states and 145 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:24:52,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:52,191 INFO L93 Difference]: Finished difference Result 221 states and 269 transitions. [2025-02-08 09:24:52,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:52,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2025-02-08 09:24:52,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:52,193 INFO L225 Difference]: With dead ends: 221 [2025-02-08 09:24:52,193 INFO L226 Difference]: Without dead ends: 217 [2025-02-08 09:24:52,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:52,193 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 73 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:52,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 146 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:52,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2025-02-08 09:24:52,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 175. [2025-02-08 09:24:52,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 102 states have (on average 1.8431372549019607) internal successors, (188), 157 states have internal predecessors, (188), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:24:52,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 218 transitions. [2025-02-08 09:24:52,209 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 218 transitions. Word has length 25 [2025-02-08 09:24:52,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:52,209 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 218 transitions. [2025-02-08 09:24:52,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:24:52,209 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 218 transitions. [2025-02-08 09:24:52,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 09:24:52,210 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:52,210 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:52,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:52,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:52,411 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:52,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:52,411 INFO L85 PathProgramCache]: Analyzing trace with hash -540011438, now seen corresponding path program 1 times [2025-02-08 09:24:52,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:52,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370276066] [2025-02-08 09:24:52,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:52,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:52,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:24:52,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:24:52,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:52,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:52,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108058673] [2025-02-08 09:24:52,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:52,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:52,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:52,436 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:52,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:24:52,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:24:52,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:24:52,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:52,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:52,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:24:52,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:52,489 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:24:52,489 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:52,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:52,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370276066] [2025-02-08 09:24:52,490 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:52,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108058673] [2025-02-08 09:24:52,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108058673] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:52,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:52,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:24:52,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669501411] [2025-02-08 09:24:52,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:52,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:24:52,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:52,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:24:52,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:52,491 INFO L87 Difference]: Start difference. First operand 175 states and 218 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:24:52,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:52,610 INFO L93 Difference]: Finished difference Result 276 states and 342 transitions. [2025-02-08 09:24:52,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:52,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2025-02-08 09:24:52,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:52,612 INFO L225 Difference]: With dead ends: 276 [2025-02-08 09:24:52,612 INFO L226 Difference]: Without dead ends: 268 [2025-02-08 09:24:52,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:52,613 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 84 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:52,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 202 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:24:52,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2025-02-08 09:24:52,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 228. [2025-02-08 09:24:52,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 149 states have (on average 1.7919463087248322) internal successors, (267), 204 states have internal predecessors, (267), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:24:52,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 309 transitions. [2025-02-08 09:24:52,628 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 309 transitions. Word has length 27 [2025-02-08 09:24:52,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:52,628 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 309 transitions. [2025-02-08 09:24:52,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:24:52,629 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 309 transitions. [2025-02-08 09:24:52,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 09:24:52,629 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:52,629 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:52,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:24:52,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:52,830 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:52,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:52,830 INFO L85 PathProgramCache]: Analyzing trace with hash 740053648, now seen corresponding path program 1 times [2025-02-08 09:24:52,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:52,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923457863] [2025-02-08 09:24:52,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:52,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:52,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:24:52,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:24:52,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:52,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:52,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1602836949] [2025-02-08 09:24:52,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:52,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:52,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:52,852 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:52,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:24:52,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:24:52,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:24:52,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:52,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:52,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:24:52,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:52,948 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:24:52,948 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:52,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:52,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923457863] [2025-02-08 09:24:52,948 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:52,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602836949] [2025-02-08 09:24:52,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602836949] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:52,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:52,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:24:52,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973103098] [2025-02-08 09:24:52,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:52,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:24:52,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:52,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:24:52,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:52,949 INFO L87 Difference]: Start difference. First operand 228 states and 309 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:24:53,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:53,128 INFO L93 Difference]: Finished difference Result 262 states and 328 transitions. [2025-02-08 09:24:53,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:53,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2025-02-08 09:24:53,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:53,130 INFO L225 Difference]: With dead ends: 262 [2025-02-08 09:24:53,130 INFO L226 Difference]: Without dead ends: 248 [2025-02-08 09:24:53,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:53,131 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 61 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:53,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 132 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:53,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2025-02-08 09:24:53,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 193. [2025-02-08 09:24:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 119 states have (on average 1.7142857142857142) internal successors, (204), 174 states have internal predecessors, (204), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 09:24:53,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 236 transitions. [2025-02-08 09:24:53,147 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 236 transitions. Word has length 29 [2025-02-08 09:24:53,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:53,150 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 236 transitions. [2025-02-08 09:24:53,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:24:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 236 transitions. [2025-02-08 09:24:53,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:24:53,151 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:53,151 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:53,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 09:24:53,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:53,351 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:53,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:53,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1761220280, now seen corresponding path program 1 times [2025-02-08 09:24:53,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:53,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399928358] [2025-02-08 09:24:53,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:53,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:53,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:24:53,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:24:53,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:53,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:53,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1791113640] [2025-02-08 09:24:53,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:53,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:53,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:53,382 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:53,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:24:53,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:24:53,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:24:53,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:53,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:53,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:24:53,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:53,445 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:24:53,446 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:53,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:53,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399928358] [2025-02-08 09:24:53,446 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:53,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791113640] [2025-02-08 09:24:53,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791113640] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:53,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:53,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:24:53,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929849663] [2025-02-08 09:24:53,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:53,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:24:53,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:53,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:24:53,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:53,449 INFO L87 Difference]: Start difference. First operand 193 states and 236 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:53,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:53,573 INFO L93 Difference]: Finished difference Result 355 states and 455 transitions. [2025-02-08 09:24:53,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:53,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2025-02-08 09:24:53,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:53,576 INFO L225 Difference]: With dead ends: 355 [2025-02-08 09:24:53,576 INFO L226 Difference]: Without dead ends: 347 [2025-02-08 09:24:53,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:53,577 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 84 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:53,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 200 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:24:53,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2025-02-08 09:24:53,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 272. [2025-02-08 09:24:53,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 189 states have (on average 1.693121693121693) internal successors, (320), 244 states have internal predecessors, (320), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:24:53,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 370 transitions. [2025-02-08 09:24:53,599 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 370 transitions. Word has length 36 [2025-02-08 09:24:53,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:53,599 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 370 transitions. [2025-02-08 09:24:53,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:53,599 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 370 transitions. [2025-02-08 09:24:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:24:53,602 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:53,602 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:53,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:24:53,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:53,803 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:53,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:53,804 INFO L85 PathProgramCache]: Analyzing trace with hash -315571994, now seen corresponding path program 1 times [2025-02-08 09:24:53,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:53,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984437200] [2025-02-08 09:24:53,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:53,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:53,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:24:53,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:24:53,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:53,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:53,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1797650362] [2025-02-08 09:24:53,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:53,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:53,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:53,848 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:53,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:24:53,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:24:53,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:24:53,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:53,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:53,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:53,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:24:53,941 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:53,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:53,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984437200] [2025-02-08 09:24:53,941 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:53,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797650362] [2025-02-08 09:24:53,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797650362] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:53,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:53,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:53,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463807467] [2025-02-08 09:24:53,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:53,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:53,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:53,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:53,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:53,942 INFO L87 Difference]: Start difference. First operand 272 states and 370 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:54,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:54,127 INFO L93 Difference]: Finished difference Result 325 states and 435 transitions. [2025-02-08 09:24:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:54,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2025-02-08 09:24:54,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:54,129 INFO L225 Difference]: With dead ends: 325 [2025-02-08 09:24:54,129 INFO L226 Difference]: Without dead ends: 323 [2025-02-08 09:24:54,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:54,130 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 231 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:54,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 143 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:54,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2025-02-08 09:24:54,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 272. [2025-02-08 09:24:54,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 189 states have (on average 1.6719576719576719) internal successors, (316), 244 states have internal predecessors, (316), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:24:54,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 366 transitions. [2025-02-08 09:24:54,141 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 366 transitions. Word has length 38 [2025-02-08 09:24:54,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:54,141 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 366 transitions. [2025-02-08 09:24:54,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:54,141 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 366 transitions. [2025-02-08 09:24:54,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:24:54,142 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:54,142 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:54,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:24:54,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-02-08 09:24:54,342 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:54,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:54,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1192797149, now seen corresponding path program 1 times [2025-02-08 09:24:54,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:54,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089439779] [2025-02-08 09:24:54,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:54,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:54,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:24:54,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:24:54,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:54,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:54,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875435212] [2025-02-08 09:24:54,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:54,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:54,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:54,375 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:54,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:24:54,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:24:54,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:24:54,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:54,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:54,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:54,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:54,472 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:24:54,472 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:54,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:54,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089439779] [2025-02-08 09:24:54,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:54,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875435212] [2025-02-08 09:24:54,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875435212] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:54,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:54,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:54,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962356901] [2025-02-08 09:24:54,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:54,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:54,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:54,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:54,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:54,474 INFO L87 Difference]: Start difference. First operand 272 states and 366 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:54,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:54,686 INFO L93 Difference]: Finished difference Result 325 states and 431 transitions. [2025-02-08 09:24:54,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:54,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2025-02-08 09:24:54,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:54,687 INFO L225 Difference]: With dead ends: 325 [2025-02-08 09:24:54,687 INFO L226 Difference]: Without dead ends: 323 [2025-02-08 09:24:54,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:54,688 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 170 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:54,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 159 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:54,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2025-02-08 09:24:54,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 272. [2025-02-08 09:24:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 189 states have (on average 1.6507936507936507) internal successors, (312), 244 states have internal predecessors, (312), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:24:54,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 362 transitions. [2025-02-08 09:24:54,698 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 362 transitions. Word has length 39 [2025-02-08 09:24:54,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:54,698 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 362 transitions. [2025-02-08 09:24:54,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:54,698 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 362 transitions. [2025-02-08 09:24:54,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:24:54,699 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:54,699 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:54,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 09:24:54,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:54,900 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:54,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:54,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1677994116, now seen corresponding path program 1 times [2025-02-08 09:24:54,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:54,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051114773] [2025-02-08 09:24:54,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:54,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:54,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:24:54,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:24:54,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:54,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:54,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [378840300] [2025-02-08 09:24:54,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:54,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:54,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:54,928 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:54,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:24:54,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:24:54,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:24:54,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:54,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:54,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:54,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:24:55,002 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:55,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:55,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051114773] [2025-02-08 09:24:55,002 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:55,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378840300] [2025-02-08 09:24:55,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378840300] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:55,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:55,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:55,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957804266] [2025-02-08 09:24:55,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:55,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:55,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:55,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:55,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:55,003 INFO L87 Difference]: Start difference. First operand 272 states and 362 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:55,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:55,278 INFO L93 Difference]: Finished difference Result 345 states and 435 transitions. [2025-02-08 09:24:55,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:55,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2025-02-08 09:24:55,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:55,280 INFO L225 Difference]: With dead ends: 345 [2025-02-08 09:24:55,280 INFO L226 Difference]: Without dead ends: 343 [2025-02-08 09:24:55,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:55,281 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 85 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:55,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 222 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:24:55,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2025-02-08 09:24:55,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 273. [2025-02-08 09:24:55,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.631578947368421) internal successors, (310), 245 states have internal predecessors, (310), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:24:55,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 360 transitions. [2025-02-08 09:24:55,291 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 360 transitions. Word has length 40 [2025-02-08 09:24:55,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:55,291 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 360 transitions. [2025-02-08 09:24:55,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:55,291 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 360 transitions. [2025-02-08 09:24:55,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:24:55,291 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:55,291 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:55,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 09:24:55,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:55,496 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:55,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:55,496 INFO L85 PathProgramCache]: Analyzing trace with hash 478210113, now seen corresponding path program 1 times [2025-02-08 09:24:55,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:55,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829790643] [2025-02-08 09:24:55,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:55,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:55,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:24:55,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:24:55,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:55,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:55,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1523228871] [2025-02-08 09:24:55,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:55,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:55,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:55,521 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:55,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:24:55,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:24:55,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:24:55,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:55,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:55,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:55,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:24:55,624 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:55,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:55,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829790643] [2025-02-08 09:24:55,624 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:55,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523228871] [2025-02-08 09:24:55,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523228871] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:55,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:55,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:55,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730615521] [2025-02-08 09:24:55,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:55,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:55,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:55,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:55,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:55,626 INFO L87 Difference]: Start difference. First operand 273 states and 360 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:56,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:56,038 INFO L93 Difference]: Finished difference Result 345 states and 431 transitions. [2025-02-08 09:24:56,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:56,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2025-02-08 09:24:56,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:56,041 INFO L225 Difference]: With dead ends: 345 [2025-02-08 09:24:56,041 INFO L226 Difference]: Without dead ends: 343 [2025-02-08 09:24:56,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:56,042 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 85 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:56,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 225 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:24:56,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2025-02-08 09:24:56,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 274. [2025-02-08 09:24:56,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 191 states have (on average 1.612565445026178) internal successors, (308), 246 states have internal predecessors, (308), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:24:56,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 358 transitions. [2025-02-08 09:24:56,056 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 358 transitions. Word has length 41 [2025-02-08 09:24:56,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:56,056 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 358 transitions. [2025-02-08 09:24:56,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:56,057 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 358 transitions. [2025-02-08 09:24:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-08 09:24:56,057 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:56,057 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:56,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 09:24:56,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:56,260 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:56,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:56,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1124812156, now seen corresponding path program 1 times [2025-02-08 09:24:56,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:56,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928421695] [2025-02-08 09:24:56,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:56,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:56,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 09:24:56,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 09:24:56,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:56,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:56,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1750876633] [2025-02-08 09:24:56,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:56,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:56,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:56,283 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:56,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:24:56,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 09:24:56,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 09:24:56,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:56,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:56,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:56,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:56,386 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:24:56,386 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:56,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:56,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928421695] [2025-02-08 09:24:56,387 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:56,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750876633] [2025-02-08 09:24:56,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750876633] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:56,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:56,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:56,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31961044] [2025-02-08 09:24:56,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:56,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:56,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:56,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:56,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:56,388 INFO L87 Difference]: Start difference. First operand 274 states and 358 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:24:56,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:56,603 INFO L93 Difference]: Finished difference Result 296 states and 377 transitions. [2025-02-08 09:24:56,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:56,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 49 [2025-02-08 09:24:56,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:56,605 INFO L225 Difference]: With dead ends: 296 [2025-02-08 09:24:56,605 INFO L226 Difference]: Without dead ends: 294 [2025-02-08 09:24:56,605 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:56,606 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 155 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:56,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 170 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:56,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2025-02-08 09:24:56,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 275. [2025-02-08 09:24:56,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 192 states have (on average 1.5989583333333333) internal successors, (307), 247 states have internal predecessors, (307), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:24:56,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 357 transitions. [2025-02-08 09:24:56,614 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 357 transitions. Word has length 49 [2025-02-08 09:24:56,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:56,614 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 357 transitions. [2025-02-08 09:24:56,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:24:56,615 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 357 transitions. [2025-02-08 09:24:56,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-08 09:24:56,615 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:56,615 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:56,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 09:24:56,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-08 09:24:56,816 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:56,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:56,816 INFO L85 PathProgramCache]: Analyzing trace with hash 509438528, now seen corresponding path program 1 times [2025-02-08 09:24:56,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:56,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459462502] [2025-02-08 09:24:56,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:56,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:56,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:24:56,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:24:56,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:56,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:56,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033799123] [2025-02-08 09:24:56,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:56,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:56,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:56,838 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:56,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 09:24:56,857 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:24:56,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:24:56,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:56,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:56,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:56,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:56,919 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:24:56,919 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:56,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:56,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459462502] [2025-02-08 09:24:56,919 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:56,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033799123] [2025-02-08 09:24:56,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033799123] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:56,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:56,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:56,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265452015] [2025-02-08 09:24:56,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:56,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:56,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:56,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:56,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:56,920 INFO L87 Difference]: Start difference. First operand 275 states and 357 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:24:57,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:57,055 INFO L93 Difference]: Finished difference Result 296 states and 374 transitions. [2025-02-08 09:24:57,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:57,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 50 [2025-02-08 09:24:57,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:57,056 INFO L225 Difference]: With dead ends: 296 [2025-02-08 09:24:57,056 INFO L226 Difference]: Without dead ends: 294 [2025-02-08 09:24:57,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:57,057 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 154 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:57,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 170 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:24:57,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2025-02-08 09:24:57,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 276. [2025-02-08 09:24:57,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 193 states have (on average 1.5854922279792747) internal successors, (306), 248 states have internal predecessors, (306), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:24:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 356 transitions. [2025-02-08 09:24:57,065 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 356 transitions. Word has length 50 [2025-02-08 09:24:57,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:57,065 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 356 transitions. [2025-02-08 09:24:57,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:24:57,065 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 356 transitions. [2025-02-08 09:24:57,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 09:24:57,065 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:57,065 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:57,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 09:24:57,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-02-08 09:24:57,270 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:57,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:57,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1387274758, now seen corresponding path program 1 times [2025-02-08 09:24:57,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:57,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354138341] [2025-02-08 09:24:57,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:57,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:57,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:24:57,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:24:57,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:57,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:57,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [362188793] [2025-02-08 09:24:57,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:57,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:57,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:57,288 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:57,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 09:24:57,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:24:57,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:24:57,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:57,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:57,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:57,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:24:57,358 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:57,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:57,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354138341] [2025-02-08 09:24:57,358 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:57,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362188793] [2025-02-08 09:24:57,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362188793] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:57,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:57,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:57,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565126633] [2025-02-08 09:24:57,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:57,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:57,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:57,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:57,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:57,360 INFO L87 Difference]: Start difference. First operand 276 states and 356 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:24:57,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:57,562 INFO L93 Difference]: Finished difference Result 304 states and 363 transitions. [2025-02-08 09:24:57,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:57,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2025-02-08 09:24:57,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:57,564 INFO L225 Difference]: With dead ends: 304 [2025-02-08 09:24:57,564 INFO L226 Difference]: Without dead ends: 302 [2025-02-08 09:24:57,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:57,565 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 127 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:57,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 201 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:57,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2025-02-08 09:24:57,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 277. [2025-02-08 09:24:57,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 194 states have (on average 1.5721649484536082) internal successors, (305), 249 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:24:57,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 355 transitions. [2025-02-08 09:24:57,575 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 355 transitions. Word has length 51 [2025-02-08 09:24:57,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:57,576 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 355 transitions. [2025-02-08 09:24:57,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:24:57,576 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 355 transitions. [2025-02-08 09:24:57,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-08 09:24:57,579 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:57,579 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:57,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:57,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:57,780 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:57,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:57,780 INFO L85 PathProgramCache]: Analyzing trace with hash -55844482, now seen corresponding path program 1 times [2025-02-08 09:24:57,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:57,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133757581] [2025-02-08 09:24:57,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:57,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:57,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:24:57,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:24:57,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:57,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:57,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525180504] [2025-02-08 09:24:57,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:57,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:57,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:57,808 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:57,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 09:24:57,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:24:57,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:24:57,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:57,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:57,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:57,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:57,890 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:24:57,890 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:57,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:57,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133757581] [2025-02-08 09:24:57,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:57,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525180504] [2025-02-08 09:24:57,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525180504] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:57,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:57,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:57,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608009552] [2025-02-08 09:24:57,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:57,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:57,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:57,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:57,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:57,891 INFO L87 Difference]: Start difference. First operand 277 states and 355 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:24:58,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:58,352 INFO L93 Difference]: Finished difference Result 304 states and 360 transitions. [2025-02-08 09:24:58,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:58,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2025-02-08 09:24:58,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:58,353 INFO L225 Difference]: With dead ends: 304 [2025-02-08 09:24:58,353 INFO L226 Difference]: Without dead ends: 302 [2025-02-08 09:24:58,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:58,354 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 77 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:58,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 252 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:24:58,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2025-02-08 09:24:58,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 278. [2025-02-08 09:24:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 195 states have (on average 1.558974358974359) internal successors, (304), 250 states have internal predecessors, (304), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:24:58,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 354 transitions. [2025-02-08 09:24:58,363 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 354 transitions. Word has length 52 [2025-02-08 09:24:58,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:58,363 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 354 transitions. [2025-02-08 09:24:58,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:24:58,363 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 354 transitions. [2025-02-08 09:24:58,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-08 09:24:58,364 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:58,364 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:58,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:58,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:58,565 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:58,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:58,565 INFO L85 PathProgramCache]: Analyzing trace with hash 336474983, now seen corresponding path program 1 times [2025-02-08 09:24:58,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:58,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312092966] [2025-02-08 09:24:58,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:58,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:58,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:24:58,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:24:58,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:58,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:58,631 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:24:58,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:58,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312092966] [2025-02-08 09:24:58,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312092966] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:58,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:58,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:24:58,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857440766] [2025-02-08 09:24:58,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:58,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:24:58,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:58,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:24:58,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:58,632 INFO L87 Difference]: Start difference. First operand 278 states and 354 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-02-08 09:24:58,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:58,664 INFO L93 Difference]: Finished difference Result 278 states and 354 transitions. [2025-02-08 09:24:58,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:58,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 59 [2025-02-08 09:24:58,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:58,666 INFO L225 Difference]: With dead ends: 278 [2025-02-08 09:24:58,666 INFO L226 Difference]: Without dead ends: 276 [2025-02-08 09:24:58,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:58,666 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 46 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:58,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 207 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:24:58,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-08 09:24:58,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2025-02-08 09:24:58,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 195 states have (on average 1.528205128205128) internal successors, (298), 248 states have internal predecessors, (298), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:24:58,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 348 transitions. [2025-02-08 09:24:58,676 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 348 transitions. Word has length 59 [2025-02-08 09:24:58,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:58,676 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 348 transitions. [2025-02-08 09:24:58,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-02-08 09:24:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 348 transitions. [2025-02-08 09:24:58,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-08 09:24:58,677 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:58,677 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:58,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 09:24:58,678 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:58,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:58,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1840789904, now seen corresponding path program 1 times [2025-02-08 09:24:58,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:58,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589901326] [2025-02-08 09:24:58,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:58,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:58,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-08 09:24:58,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 09:24:58,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:58,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:24:58,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:58,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589901326] [2025-02-08 09:24:58,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589901326] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:58,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:58,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:24:58,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104730750] [2025-02-08 09:24:58,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:58,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:24:58,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:58,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:24:58,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:58,724 INFO L87 Difference]: Start difference. First operand 276 states and 348 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-02-08 09:24:58,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:58,753 INFO L93 Difference]: Finished difference Result 276 states and 348 transitions. [2025-02-08 09:24:58,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:58,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60 [2025-02-08 09:24:58,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:58,755 INFO L225 Difference]: With dead ends: 276 [2025-02-08 09:24:58,755 INFO L226 Difference]: Without dead ends: 274 [2025-02-08 09:24:58,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:58,756 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 45 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:58,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 206 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:24:58,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2025-02-08 09:24:58,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2025-02-08 09:24:58,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 195 states have (on average 1.4871794871794872) internal successors, (290), 246 states have internal predecessors, (290), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:24:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 340 transitions. [2025-02-08 09:24:58,764 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 340 transitions. Word has length 60 [2025-02-08 09:24:58,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:58,764 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 340 transitions. [2025-02-08 09:24:58,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-02-08 09:24:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 340 transitions. [2025-02-08 09:24:58,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-08 09:24:58,765 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:58,765 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:58,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 09:24:58,765 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:58,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:58,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1229967422, now seen corresponding path program 1 times [2025-02-08 09:24:58,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:58,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320873699] [2025-02-08 09:24:58,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:58,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:58,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-08 09:24:58,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 09:24:58,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:58,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:58,867 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:24:58,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:58,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320873699] [2025-02-08 09:24:58,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320873699] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:58,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:58,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:24:58,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714262903] [2025-02-08 09:24:58,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:58,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:24:58,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:58,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:24:58,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:24:58,869 INFO L87 Difference]: Start difference. First operand 274 states and 340 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:24:59,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:59,030 INFO L93 Difference]: Finished difference Result 277 states and 343 transitions. [2025-02-08 09:24:59,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:24:59,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2025-02-08 09:24:59,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:59,031 INFO L225 Difference]: With dead ends: 277 [2025-02-08 09:24:59,031 INFO L226 Difference]: Without dead ends: 276 [2025-02-08 09:24:59,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:24:59,032 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 277 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:59,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 159 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:24:59,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-08 09:24:59,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2025-02-08 09:24:59,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 197 states have (on average 1.482233502538071) internal successors, (292), 248 states have internal predecessors, (292), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:24:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 342 transitions. [2025-02-08 09:24:59,042 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 342 transitions. Word has length 61 [2025-02-08 09:24:59,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:59,042 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 342 transitions. [2025-02-08 09:24:59,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:24:59,043 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 342 transitions. [2025-02-08 09:24:59,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-08 09:24:59,043 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:59,043 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:59,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-08 09:24:59,043 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:59,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:59,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1229968767, now seen corresponding path program 1 times [2025-02-08 09:24:59,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:59,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765502529] [2025-02-08 09:24:59,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:59,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:59,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-08 09:24:59,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 09:24:59,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:59,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:59,114 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:24:59,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:59,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765502529] [2025-02-08 09:24:59,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765502529] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:59,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:59,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:24:59,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79587033] [2025-02-08 09:24:59,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:59,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:24:59,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:59,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:24:59,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:24:59,115 INFO L87 Difference]: Start difference. First operand 276 states and 342 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:24:59,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:59,284 INFO L93 Difference]: Finished difference Result 277 states and 342 transitions. [2025-02-08 09:24:59,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:24:59,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2025-02-08 09:24:59,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:59,286 INFO L225 Difference]: With dead ends: 277 [2025-02-08 09:24:59,286 INFO L226 Difference]: Without dead ends: 276 [2025-02-08 09:24:59,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:24:59,286 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 277 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:59,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 159 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:24:59,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-08 09:24:59,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2025-02-08 09:24:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 197 states have (on average 1.4771573604060915) internal successors, (291), 248 states have internal predecessors, (291), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:24:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 341 transitions. [2025-02-08 09:24:59,311 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 341 transitions. Word has length 61 [2025-02-08 09:24:59,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:59,311 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 341 transitions. [2025-02-08 09:24:59,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:24:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 341 transitions. [2025-02-08 09:24:59,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-08 09:24:59,311 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:59,312 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:59,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 09:24:59,312 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:59,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:59,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1593499329, now seen corresponding path program 1 times [2025-02-08 09:24:59,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:59,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523535305] [2025-02-08 09:24:59,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:59,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:59,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:24:59,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:24:59,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:59,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:59,361 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:24:59,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:59,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523535305] [2025-02-08 09:24:59,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523535305] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:59,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:59,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:24:59,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624081471] [2025-02-08 09:24:59,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:59,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:24:59,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:59,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:24:59,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:59,362 INFO L87 Difference]: Start difference. First operand 276 states and 341 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:24:59,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:59,487 INFO L93 Difference]: Finished difference Result 333 states and 409 transitions. [2025-02-08 09:24:59,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:59,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 64 [2025-02-08 09:24:59,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:59,488 INFO L225 Difference]: With dead ends: 333 [2025-02-08 09:24:59,488 INFO L226 Difference]: Without dead ends: 329 [2025-02-08 09:24:59,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:59,489 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 43 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:59,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 148 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:24:59,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2025-02-08 09:24:59,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 286. [2025-02-08 09:24:59,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 207 states have (on average 1.458937198067633) internal successors, (302), 258 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:24:59,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 352 transitions. [2025-02-08 09:24:59,498 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 352 transitions. Word has length 64 [2025-02-08 09:24:59,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:59,498 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 352 transitions. [2025-02-08 09:24:59,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:24:59,498 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 352 transitions. [2025-02-08 09:24:59,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-08 09:24:59,499 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:59,499 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:59,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 09:24:59,499 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:24:59,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:59,499 INFO L85 PathProgramCache]: Analyzing trace with hash -288439751, now seen corresponding path program 1 times [2025-02-08 09:24:59,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:59,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502403102] [2025-02-08 09:24:59,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:59,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:59,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-08 09:24:59,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:24:59,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:59,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:59,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1591954783] [2025-02-08 09:24:59,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:59,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:59,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:59,510 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:59,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 09:24:59,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-08 09:24:59,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:24:59,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:59,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:59,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:24:59,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:24:59,695 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:24:59,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:59,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502403102] [2025-02-08 09:24:59,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:59,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591954783] [2025-02-08 09:24:59,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591954783] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:59,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:59,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-02-08 09:24:59,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982157874] [2025-02-08 09:24:59,829 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:24:59,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:59,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:59,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:59,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:24:59,830 INFO L87 Difference]: Start difference. First operand 286 states and 352 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:25:00,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:00,045 INFO L93 Difference]: Finished difference Result 327 states and 403 transitions. [2025-02-08 09:25:00,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:25:00,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 67 [2025-02-08 09:25:00,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:00,047 INFO L225 Difference]: With dead ends: 327 [2025-02-08 09:25:00,047 INFO L226 Difference]: Without dead ends: 325 [2025-02-08 09:25:00,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:25:00,047 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 36 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:00,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 186 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:25:00,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2025-02-08 09:25:00,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 287. [2025-02-08 09:25:00,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 208 states have (on average 1.4519230769230769) internal successors, (302), 259 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:25:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2025-02-08 09:25:00,058 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 67 [2025-02-08 09:25:00,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:00,058 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2025-02-08 09:25:00,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:25:00,058 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2025-02-08 09:25:00,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-08 09:25:00,059 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:00,059 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:00,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:00,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:00,259 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:00,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:00,260 INFO L85 PathProgramCache]: Analyzing trace with hash -351697599, now seen corresponding path program 1 times [2025-02-08 09:25:00,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:00,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850936292] [2025-02-08 09:25:00,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:00,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:00,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-08 09:25:00,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 09:25:00,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:00,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:00,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [919051169] [2025-02-08 09:25:00,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:00,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:00,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:00,276 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:00,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 09:25:00,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-08 09:25:00,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 09:25:00,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:00,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:00,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:25:00,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:25:00,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:00,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:00,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850936292] [2025-02-08 09:25:00,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:00,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919051169] [2025-02-08 09:25:00,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919051169] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:00,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:00,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-02-08 09:25:00,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762944787] [2025-02-08 09:25:00,584 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:00,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:25:00,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:00,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:25:00,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:25:00,586 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:25:00,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:00,751 INFO L93 Difference]: Finished difference Result 327 states and 401 transitions. [2025-02-08 09:25:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:25:00,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2025-02-08 09:25:00,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:00,753 INFO L225 Difference]: With dead ends: 327 [2025-02-08 09:25:00,753 INFO L226 Difference]: Without dead ends: 325 [2025-02-08 09:25:00,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:25:00,753 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 72 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:00,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 142 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:25:00,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2025-02-08 09:25:00,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 288. [2025-02-08 09:25:00,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 209 states have (on average 1.444976076555024) internal successors, (302), 260 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:25:00,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 352 transitions. [2025-02-08 09:25:00,763 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 352 transitions. Word has length 68 [2025-02-08 09:25:00,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:00,763 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 352 transitions. [2025-02-08 09:25:00,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:25:00,763 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 352 transitions. [2025-02-08 09:25:00,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-08 09:25:00,764 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:00,764 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:00,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-08 09:25:00,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:00,964 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:00,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:00,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1312715105, now seen corresponding path program 1 times [2025-02-08 09:25:00,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:00,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902333111] [2025-02-08 09:25:00,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:00,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:00,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 09:25:00,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 09:25:00,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:00,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:01,086 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:25:01,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:01,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902333111] [2025-02-08 09:25:01,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902333111] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:01,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421266616] [2025-02-08 09:25:01,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:01,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:01,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:01,089 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:01,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 09:25:01,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 09:25:01,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 09:25:01,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:01,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:01,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:25:01,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:01,273 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:25:01,274 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:25:01,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421266616] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:25:01,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:01,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:25:01,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411721861] [2025-02-08 09:25:01,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:25:01,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:25:01,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:01,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:25:01,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:25:01,275 INFO L87 Difference]: Start difference. First operand 288 states and 352 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:25:01,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:01,548 INFO L93 Difference]: Finished difference Result 324 states and 399 transitions. [2025-02-08 09:25:01,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:25:01,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2025-02-08 09:25:01,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:01,550 INFO L225 Difference]: With dead ends: 324 [2025-02-08 09:25:01,550 INFO L226 Difference]: Without dead ends: 323 [2025-02-08 09:25:01,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:25:01,550 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 62 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:01,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 136 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:25:01,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2025-02-08 09:25:01,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 289. [2025-02-08 09:25:01,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 210 states have (on average 1.438095238095238) internal successors, (302), 261 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:25:01,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 352 transitions. [2025-02-08 09:25:01,560 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 352 transitions. Word has length 72 [2025-02-08 09:25:01,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:01,560 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 352 transitions. [2025-02-08 09:25:01,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:25:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 352 transitions. [2025-02-08 09:25:01,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-08 09:25:01,561 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:01,561 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:01,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:01,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:01,761 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:01,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:01,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1997849547, now seen corresponding path program 1 times [2025-02-08 09:25:01,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:01,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366048010] [2025-02-08 09:25:01,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:01,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:01,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 09:25:01,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:25:01,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:01,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:01,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610420255] [2025-02-08 09:25:01,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:01,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:01,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:01,772 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:01,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 09:25:01,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 09:25:01,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:25:01,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:01,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:01,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:25:01,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:01,863 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-02-08 09:25:01,864 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:25:01,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:01,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366048010] [2025-02-08 09:25:01,864 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:01,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610420255] [2025-02-08 09:25:01,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610420255] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:25:01,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:25:01,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:25:01,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199664346] [2025-02-08 09:25:01,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:25:01,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:25:01,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:01,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:25:01,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:25:01,865 INFO L87 Difference]: Start difference. First operand 289 states and 352 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:25:02,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:02,103 INFO L93 Difference]: Finished difference Result 340 states and 397 transitions. [2025-02-08 09:25:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:25:02,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2025-02-08 09:25:02,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:02,105 INFO L225 Difference]: With dead ends: 340 [2025-02-08 09:25:02,105 INFO L226 Difference]: Without dead ends: 339 [2025-02-08 09:25:02,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:25:02,106 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 74 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:02,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 215 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:25:02,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-02-08 09:25:02,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 289. [2025-02-08 09:25:02,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 210 states have (on average 1.4333333333333333) internal successors, (301), 261 states have internal predecessors, (301), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:25:02,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 351 transitions. [2025-02-08 09:25:02,116 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 351 transitions. Word has length 71 [2025-02-08 09:25:02,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:02,116 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 351 transitions. [2025-02-08 09:25:02,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:25:02,116 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 351 transitions. [2025-02-08 09:25:02,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-08 09:25:02,117 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:02,117 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:02,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-08 09:25:02,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:02,318 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:02,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:02,318 INFO L85 PathProgramCache]: Analyzing trace with hash 2039462597, now seen corresponding path program 1 times [2025-02-08 09:25:02,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:02,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812905670] [2025-02-08 09:25:02,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:02,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:02,321 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-08 09:25:02,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 09:25:02,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:02,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:25:02,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:02,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812905670] [2025-02-08 09:25:02,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812905670] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:02,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556846578] [2025-02-08 09:25:02,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:02,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:02,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:02,411 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:02,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 09:25:02,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-08 09:25:02,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 09:25:02,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:02,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:02,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:25:02,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:02,605 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:25:02,605 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:25:02,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556846578] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:25:02,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:02,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:25:02,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555099724] [2025-02-08 09:25:02,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:25:02,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:25:02,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:02,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:25:02,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:25:02,608 INFO L87 Difference]: Start difference. First operand 289 states and 351 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:25:02,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:02,903 INFO L93 Difference]: Finished difference Result 324 states and 396 transitions. [2025-02-08 09:25:02,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:25:02,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 73 [2025-02-08 09:25:02,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:02,904 INFO L225 Difference]: With dead ends: 324 [2025-02-08 09:25:02,904 INFO L226 Difference]: Without dead ends: 323 [2025-02-08 09:25:02,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:25:02,905 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 59 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:02,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 140 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:25:02,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2025-02-08 09:25:02,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 290. [2025-02-08 09:25:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 211 states have (on average 1.4265402843601895) internal successors, (301), 262 states have internal predecessors, (301), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:25:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 351 transitions. [2025-02-08 09:25:02,915 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 351 transitions. Word has length 73 [2025-02-08 09:25:02,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:02,915 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 351 transitions. [2025-02-08 09:25:02,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:25:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 351 transitions. [2025-02-08 09:25:02,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-08 09:25:02,916 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:02,916 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:02,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-08 09:25:03,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:03,120 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:03,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:03,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1803793731, now seen corresponding path program 1 times [2025-02-08 09:25:03,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:03,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107043628] [2025-02-08 09:25:03,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:03,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:03,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 09:25:03,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 09:25:03,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:03,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:03,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1348615680] [2025-02-08 09:25:03,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:03,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:03,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:03,132 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:03,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:25:03,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 09:25:03,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 09:25:03,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:03,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:03,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:25:03,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:03,247 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:25:03,247 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:25:03,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:03,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107043628] [2025-02-08 09:25:03,247 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:03,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348615680] [2025-02-08 09:25:03,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348615680] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:25:03,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:25:03,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:25:03,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255382844] [2025-02-08 09:25:03,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:25:03,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:25:03,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:03,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:25:03,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:25:03,248 INFO L87 Difference]: Start difference. First operand 290 states and 351 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:25:03,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:03,464 INFO L93 Difference]: Finished difference Result 342 states and 394 transitions. [2025-02-08 09:25:03,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:25:03,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72 [2025-02-08 09:25:03,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:03,466 INFO L225 Difference]: With dead ends: 342 [2025-02-08 09:25:03,466 INFO L226 Difference]: Without dead ends: 339 [2025-02-08 09:25:03,466 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:25:03,466 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 110 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:03,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 173 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:25:03,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-02-08 09:25:03,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 293. [2025-02-08 09:25:03,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 214 states have (on average 1.4205607476635513) internal successors, (304), 265 states have internal predecessors, (304), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:25:03,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 354 transitions. [2025-02-08 09:25:03,490 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 354 transitions. Word has length 72 [2025-02-08 09:25:03,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:03,490 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 354 transitions. [2025-02-08 09:25:03,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:25:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 354 transitions. [2025-02-08 09:25:03,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-08 09:25:03,491 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:03,491 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:03,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:03,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:03,691 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:03,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:03,692 INFO L85 PathProgramCache]: Analyzing trace with hash -763327964, now seen corresponding path program 1 times [2025-02-08 09:25:03,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:03,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065227789] [2025-02-08 09:25:03,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:03,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:03,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-08 09:25:03,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 09:25:03,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:03,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:03,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [715227323] [2025-02-08 09:25:03,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:03,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:03,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:03,709 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:03,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 09:25:03,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-08 09:25:03,741 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 09:25:03,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:03,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:03,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:25:03,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:25:03,973 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:04,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:04,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065227789] [2025-02-08 09:25:04,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:04,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715227323] [2025-02-08 09:25:04,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715227323] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:04,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:04,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:25:04,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358563119] [2025-02-08 09:25:04,062 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:04,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:25:04,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:04,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:25:04,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:25:04,063 INFO L87 Difference]: Start difference. First operand 293 states and 354 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-08 09:25:04,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:04,365 INFO L93 Difference]: Finished difference Result 477 states and 602 transitions. [2025-02-08 09:25:04,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:25:04,365 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 78 [2025-02-08 09:25:04,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:04,367 INFO L225 Difference]: With dead ends: 477 [2025-02-08 09:25:04,367 INFO L226 Difference]: Without dead ends: 473 [2025-02-08 09:25:04,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:25:04,367 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 264 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:04,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 293 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:25:04,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2025-02-08 09:25:04,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 369. [2025-02-08 09:25:04,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 281 states have (on average 1.4590747330960854) internal successors, (410), 332 states have internal predecessors, (410), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-08 09:25:04,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 478 transitions. [2025-02-08 09:25:04,386 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 478 transitions. Word has length 78 [2025-02-08 09:25:04,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:04,386 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 478 transitions. [2025-02-08 09:25:04,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-08 09:25:04,387 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 478 transitions. [2025-02-08 09:25:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-08 09:25:04,387 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:04,387 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:04,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-08 09:25:04,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:04,588 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:04,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:04,588 INFO L85 PathProgramCache]: Analyzing trace with hash 2106636969, now seen corresponding path program 1 times [2025-02-08 09:25:04,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:04,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848106370] [2025-02-08 09:25:04,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:04,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:04,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-08 09:25:04,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 09:25:04,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:04,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:04,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1959206778] [2025-02-08 09:25:04,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:04,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:04,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:04,604 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:04,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:25:04,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-08 09:25:04,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 09:25:04,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:04,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:04,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:25:04,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:04,842 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:25:04,842 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:09,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:09,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848106370] [2025-02-08 09:25:09,083 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:09,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959206778] [2025-02-08 09:25:09,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959206778] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:09,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:09,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:25:09,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809671681] [2025-02-08 09:25:09,083 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:09,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:25:09,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:09,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:25:09,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=51, Unknown=1, NotChecked=0, Total=72 [2025-02-08 09:25:09,086 INFO L87 Difference]: Start difference. First operand 369 states and 478 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-08 09:25:09,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:09,407 INFO L93 Difference]: Finished difference Result 399 states and 503 transitions. [2025-02-08 09:25:09,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:25:09,407 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 79 [2025-02-08 09:25:09,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:09,408 INFO L225 Difference]: With dead ends: 399 [2025-02-08 09:25:09,408 INFO L226 Difference]: Without dead ends: 393 [2025-02-08 09:25:09,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=27, Invalid=62, Unknown=1, NotChecked=0, Total=90 [2025-02-08 09:25:09,409 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 129 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:09,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 394 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:25:09,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2025-02-08 09:25:09,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 363. [2025-02-08 09:25:09,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 281 states have (on average 1.405693950177936) internal successors, (395), 326 states have internal predecessors, (395), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-08 09:25:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 463 transitions. [2025-02-08 09:25:09,421 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 463 transitions. Word has length 79 [2025-02-08 09:25:09,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:09,421 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 463 transitions. [2025-02-08 09:25:09,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-08 09:25:09,422 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 463 transitions. [2025-02-08 09:25:09,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 09:25:09,422 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:09,422 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:09,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-08 09:25:09,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-02-08 09:25:09,623 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:09,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:09,623 INFO L85 PathProgramCache]: Analyzing trace with hash 881236674, now seen corresponding path program 1 times [2025-02-08 09:25:09,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:09,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128095764] [2025-02-08 09:25:09,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:09,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:09,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:25:09,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:25:09,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:09,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:09,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1544631802] [2025-02-08 09:25:09,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:09,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:09,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:09,634 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:09,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:25:09,655 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:25:09,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:25:09,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:09,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:09,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:25:09,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:10,009 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:25:10,009 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:10,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:10,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128095764] [2025-02-08 09:25:10,141 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:10,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544631802] [2025-02-08 09:25:10,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544631802] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:10,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:10,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:25:10,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111177694] [2025-02-08 09:25:10,142 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:10,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:25:10,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:10,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:25:10,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:25:10,142 INFO L87 Difference]: Start difference. First operand 363 states and 463 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-08 09:25:10,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:10,734 INFO L93 Difference]: Finished difference Result 506 states and 668 transitions. [2025-02-08 09:25:10,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:25:10,735 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 80 [2025-02-08 09:25:10,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:10,736 INFO L225 Difference]: With dead ends: 506 [2025-02-08 09:25:10,736 INFO L226 Difference]: Without dead ends: 499 [2025-02-08 09:25:10,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:25:10,737 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 518 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:10,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 244 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:25:10,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2025-02-08 09:25:10,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 456. [2025-02-08 09:25:10,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 364 states have (on average 1.4532967032967032) internal successors, (529), 409 states have internal predecessors, (529), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-02-08 09:25:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 617 transitions. [2025-02-08 09:25:10,755 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 617 transitions. Word has length 80 [2025-02-08 09:25:10,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:10,755 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 617 transitions. [2025-02-08 09:25:10,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-08 09:25:10,756 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 617 transitions. [2025-02-08 09:25:10,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-08 09:25:10,756 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:10,756 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:10,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:10,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-08 09:25:10,961 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:10,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:10,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1548533191, now seen corresponding path program 1 times [2025-02-08 09:25:10,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:10,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461729603] [2025-02-08 09:25:10,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:10,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:10,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:25:10,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:25:10,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:10,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:10,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2033285042] [2025-02-08 09:25:10,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:10,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:10,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:10,974 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:10,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:25:10,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:25:11,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:25:11,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:11,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:11,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:25:11,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:11,334 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:25:11,335 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:11,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:11,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461729603] [2025-02-08 09:25:11,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:11,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033285042] [2025-02-08 09:25:11,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033285042] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:11,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:11,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:25:11,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391623661] [2025-02-08 09:25:11,609 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:11,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:25:11,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:11,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:25:11,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:25:11,610 INFO L87 Difference]: Start difference. First operand 456 states and 617 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-08 09:25:12,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:12,214 INFO L93 Difference]: Finished difference Result 558 states and 752 transitions. [2025-02-08 09:25:12,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:25:12,215 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 81 [2025-02-08 09:25:12,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:12,216 INFO L225 Difference]: With dead ends: 558 [2025-02-08 09:25:12,216 INFO L226 Difference]: Without dead ends: 556 [2025-02-08 09:25:12,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:25:12,217 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 438 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:12,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 243 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:25:12,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2025-02-08 09:25:12,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 491. [2025-02-08 09:25:12,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 395 states have (on average 1.4481012658227848) internal successors, (572), 440 states have internal predecessors, (572), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-02-08 09:25:12,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 668 transitions. [2025-02-08 09:25:12,245 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 668 transitions. Word has length 81 [2025-02-08 09:25:12,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:12,245 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 668 transitions. [2025-02-08 09:25:12,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-08 09:25:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 668 transitions. [2025-02-08 09:25:12,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-08 09:25:12,245 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:12,245 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:12,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-08 09:25:12,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 09:25:12,446 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:12,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:12,447 INFO L85 PathProgramCache]: Analyzing trace with hash 759888736, now seen corresponding path program 1 times [2025-02-08 09:25:12,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:12,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612133518] [2025-02-08 09:25:12,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:12,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:12,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:25:12,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:25:12,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:12,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:12,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [323866503] [2025-02-08 09:25:12,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:12,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:12,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:12,458 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:12,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:25:12,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:25:12,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:25:12,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:12,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:12,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:25:12,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:12,974 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:25:12,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:13,202 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:25:13,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:13,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612133518] [2025-02-08 09:25:13,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:13,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323866503] [2025-02-08 09:25:13,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323866503] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:13,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:25:13,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12 [2025-02-08 09:25:13,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105452735] [2025-02-08 09:25:13,202 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:13,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:25:13,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:13,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:25:13,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:25:13,203 INFO L87 Difference]: Start difference. First operand 491 states and 668 transitions. Second operand has 13 states, 12 states have (on average 7.583333333333333) internal successors, (91), 12 states have internal predecessors, (91), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-08 09:25:14,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:14,613 INFO L93 Difference]: Finished difference Result 623 states and 862 transitions. [2025-02-08 09:25:14,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:25:14,616 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.583333333333333) internal successors, (91), 12 states have internal predecessors, (91), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 82 [2025-02-08 09:25:14,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:14,618 INFO L225 Difference]: With dead ends: 623 [2025-02-08 09:25:14,618 INFO L226 Difference]: Without dead ends: 619 [2025-02-08 09:25:14,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:25:14,618 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 555 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 1656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:14,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 320 Invalid, 1656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1579 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:25:14,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2025-02-08 09:25:14,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 571. [2025-02-08 09:25:14,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 470 states have (on average 1.4276595744680851) internal successors, (671), 514 states have internal predecessors, (671), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-02-08 09:25:14,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 779 transitions. [2025-02-08 09:25:14,642 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 779 transitions. Word has length 82 [2025-02-08 09:25:14,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:14,642 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 779 transitions. [2025-02-08 09:25:14,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.583333333333333) internal successors, (91), 12 states have internal predecessors, (91), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-08 09:25:14,642 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 779 transitions. [2025-02-08 09:25:14,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-02-08 09:25:14,643 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:14,643 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:14,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-08 09:25:14,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-08 09:25:14,844 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:14,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:14,844 INFO L85 PathProgramCache]: Analyzing trace with hash 2081714405, now seen corresponding path program 1 times [2025-02-08 09:25:14,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:14,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985754860] [2025-02-08 09:25:14,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:14,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:14,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-08 09:25:14,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-08 09:25:14,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:14,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:14,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1001394570] [2025-02-08 09:25:14,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:14,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:14,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:14,859 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:14,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:25:14,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-08 09:25:14,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-08 09:25:14,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:14,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:14,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:25:14,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:25:15,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:15,647 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:25:15,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:15,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985754860] [2025-02-08 09:25:15,648 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:15,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001394570] [2025-02-08 09:25:15,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001394570] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:15,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:25:15,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-02-08 09:25:15,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817650102] [2025-02-08 09:25:15,648 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:15,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:25:15,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:15,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:25:15,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:25:15,648 INFO L87 Difference]: Start difference. First operand 571 states and 779 transitions. Second operand has 15 states, 14 states have (on average 6.857142857142857) internal successors, (96), 13 states have internal predecessors, (96), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) [2025-02-08 09:25:17,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:17,422 INFO L93 Difference]: Finished difference Result 731 states and 1000 transitions. [2025-02-08 09:25:17,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:25:17,423 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.857142857142857) internal successors, (96), 13 states have internal predecessors, (96), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) Word has length 83 [2025-02-08 09:25:17,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:17,425 INFO L225 Difference]: With dead ends: 731 [2025-02-08 09:25:17,425 INFO L226 Difference]: Without dead ends: 723 [2025-02-08 09:25:17,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:25:17,425 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 1256 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:17,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1266 Valid, 424 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-08 09:25:17,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2025-02-08 09:25:17,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 667. [2025-02-08 09:25:17,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 558 states have (on average 1.3996415770609318) internal successors, (781), 601 states have internal predecessors, (781), 63 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2025-02-08 09:25:17,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 907 transitions. [2025-02-08 09:25:17,468 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 907 transitions. Word has length 83 [2025-02-08 09:25:17,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:17,469 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 907 transitions. [2025-02-08 09:25:17,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.857142857142857) internal successors, (96), 13 states have internal predecessors, (96), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) [2025-02-08 09:25:17,469 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 907 transitions. [2025-02-08 09:25:17,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-08 09:25:17,469 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:17,470 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:17,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:17,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:17,670 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:17,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:17,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1311780707, now seen corresponding path program 1 times [2025-02-08 09:25:17,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:17,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407161386] [2025-02-08 09:25:17,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:17,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:17,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-08 09:25:17,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 09:25:17,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:17,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:17,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [124865550] [2025-02-08 09:25:17,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:17,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:17,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:17,683 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:17,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:25:17,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-08 09:25:17,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 09:25:17,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:17,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:17,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:25:17,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-08 09:25:17,916 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:18,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:18,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407161386] [2025-02-08 09:25:18,297 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:18,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124865550] [2025-02-08 09:25:18,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124865550] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:18,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:18,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:25:18,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163856309] [2025-02-08 09:25:18,297 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:18,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:25:18,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:18,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:25:18,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=50, Unknown=1, NotChecked=0, Total=72 [2025-02-08 09:25:18,298 INFO L87 Difference]: Start difference. First operand 667 states and 907 transitions. Second operand has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:25:18,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:18,618 INFO L93 Difference]: Finished difference Result 933 states and 1319 transitions. [2025-02-08 09:25:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:25:18,618 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 89 [2025-02-08 09:25:18,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:18,621 INFO L225 Difference]: With dead ends: 933 [2025-02-08 09:25:18,621 INFO L226 Difference]: Without dead ends: 931 [2025-02-08 09:25:18,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=50, Unknown=1, NotChecked=0, Total=72 [2025-02-08 09:25:18,621 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 230 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:18,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 264 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:25:18,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2025-02-08 09:25:18,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 881. [2025-02-08 09:25:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 747 states have (on average 1.4444444444444444) internal successors, (1079), 790 states have internal predecessors, (1079), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2025-02-08 09:25:18,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1255 transitions. [2025-02-08 09:25:18,675 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1255 transitions. Word has length 89 [2025-02-08 09:25:18,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:18,676 INFO L471 AbstractCegarLoop]: Abstraction has 881 states and 1255 transitions. [2025-02-08 09:25:18,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:25:18,676 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1255 transitions. [2025-02-08 09:25:18,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-08 09:25:18,676 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:18,677 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:18,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:18,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:18,877 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:18,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:18,877 INFO L85 PathProgramCache]: Analyzing trace with hash 2010496317, now seen corresponding path program 1 times [2025-02-08 09:25:18,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:18,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277390653] [2025-02-08 09:25:18,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:18,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:18,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:25:18,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:25:18,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:18,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:18,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1888433719] [2025-02-08 09:25:18,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:18,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:18,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:18,889 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:18,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:25:18,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:25:18,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:25:18,924 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:18,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:18,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:25:18,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-08 09:25:19,118 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:23,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:23,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277390653] [2025-02-08 09:25:23,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:23,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888433719] [2025-02-08 09:25:23,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888433719] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:23,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:23,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:25:23,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36422515] [2025-02-08 09:25:23,321 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:23,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:25:23,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:23,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:25:23,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=51, Unknown=1, NotChecked=0, Total=72 [2025-02-08 09:25:23,321 INFO L87 Difference]: Start difference. First operand 881 states and 1255 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:25:23,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:23,585 INFO L93 Difference]: Finished difference Result 887 states and 1258 transitions. [2025-02-08 09:25:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:25:23,585 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 90 [2025-02-08 09:25:23,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:23,588 INFO L225 Difference]: With dead ends: 887 [2025-02-08 09:25:23,588 INFO L226 Difference]: Without dead ends: 881 [2025-02-08 09:25:23,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=27, Invalid=62, Unknown=1, NotChecked=0, Total=90 [2025-02-08 09:25:23,589 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 146 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:23,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 331 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:25:23,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2025-02-08 09:25:23,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 750. [2025-02-08 09:25:23,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 635 states have (on average 1.3669291338582676) internal successors, (868), 672 states have internal predecessors, (868), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-02-08 09:25:23,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1018 transitions. [2025-02-08 09:25:23,625 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1018 transitions. Word has length 90 [2025-02-08 09:25:23,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:23,625 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1018 transitions. [2025-02-08 09:25:23,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:25:23,625 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1018 transitions. [2025-02-08 09:25:23,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-08 09:25:23,626 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:23,626 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:23,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:23,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2025-02-08 09:25:23,826 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:23,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:23,827 INFO L85 PathProgramCache]: Analyzing trace with hash -265818567, now seen corresponding path program 1 times [2025-02-08 09:25:23,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:23,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907352225] [2025-02-08 09:25:23,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:23,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:23,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-08 09:25:23,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-08 09:25:23,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:23,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:23,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [464638463] [2025-02-08 09:25:23,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:23,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:23,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:23,848 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:23,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:25:23,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-08 09:25:23,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-08 09:25:23,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:23,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:23,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:25:23,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:24,140 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-08 09:25:24,140 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:24,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:24,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907352225] [2025-02-08 09:25:24,235 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:24,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464638463] [2025-02-08 09:25:24,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464638463] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:24,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:24,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:25:24,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703653270] [2025-02-08 09:25:24,235 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:24,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:25:24,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:24,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:25:24,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:25:24,236 INFO L87 Difference]: Start difference. First operand 750 states and 1018 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:25:24,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:24,838 INFO L93 Difference]: Finished difference Result 767 states and 1037 transitions. [2025-02-08 09:25:24,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:25:24,839 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 94 [2025-02-08 09:25:24,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:24,841 INFO L225 Difference]: With dead ends: 767 [2025-02-08 09:25:24,841 INFO L226 Difference]: Without dead ends: 763 [2025-02-08 09:25:24,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:25:24,841 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 160 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:24,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 356 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:25:24,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2025-02-08 09:25:24,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 736. [2025-02-08 09:25:24,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 625 states have (on average 1.352) internal successors, (845), 659 states have internal predecessors, (845), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2025-02-08 09:25:24,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 993 transitions. [2025-02-08 09:25:24,875 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 993 transitions. Word has length 94 [2025-02-08 09:25:24,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:24,875 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 993 transitions. [2025-02-08 09:25:24,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:25:24,875 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 993 transitions. [2025-02-08 09:25:24,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 09:25:24,875 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:24,876 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:24,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:25,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:25,076 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:25,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:25,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1640627619, now seen corresponding path program 1 times [2025-02-08 09:25:25,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:25,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7234858] [2025-02-08 09:25:25,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:25,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:25,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:25:25,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:25:25,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:25,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:25,151 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-08 09:25:25,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:25,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7234858] [2025-02-08 09:25:25,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7234858] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:25,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752250132] [2025-02-08 09:25:25,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:25,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:25,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:25,155 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:25,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:25:25,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:25:25,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:25:25,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:25,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:25,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:25:25,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:25,387 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:25,387 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:25:25,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752250132] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:25:25,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:25,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 09:25:25,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188564254] [2025-02-08 09:25:25,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:25:25,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:25:25,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:25,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:25:25,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:25:25,388 INFO L87 Difference]: Start difference. First operand 736 states and 993 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 09:25:25,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:25,586 INFO L93 Difference]: Finished difference Result 755 states and 1014 transitions. [2025-02-08 09:25:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:25:25,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 98 [2025-02-08 09:25:25,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:25,589 INFO L225 Difference]: With dead ends: 755 [2025-02-08 09:25:25,589 INFO L226 Difference]: Without dead ends: 726 [2025-02-08 09:25:25,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:25:25,590 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 11 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:25,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 102 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:25:25,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2025-02-08 09:25:25,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 725. [2025-02-08 09:25:25,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 615 states have (on average 1.3560975609756099) internal successors, (834), 649 states have internal predecessors, (834), 73 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2025-02-08 09:25:25,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 980 transitions. [2025-02-08 09:25:25,625 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 980 transitions. Word has length 98 [2025-02-08 09:25:25,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:25,625 INFO L471 AbstractCegarLoop]: Abstraction has 725 states and 980 transitions. [2025-02-08 09:25:25,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 09:25:25,625 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 980 transitions. [2025-02-08 09:25:25,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 09:25:25,626 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:25,626 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:25,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-08 09:25:25,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:25,826 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:25,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:25,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1976345635, now seen corresponding path program 1 times [2025-02-08 09:25:25,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:25,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197846753] [2025-02-08 09:25:25,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:25,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:25,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:25:25,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:25:25,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:25,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:25,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:25,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197846753] [2025-02-08 09:25:25,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197846753] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:25,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578310901] [2025-02-08 09:25:25,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:25,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:25,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:25,890 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:25,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-08 09:25:25,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:25:25,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:25:25,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:25,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:25,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:25:25,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:26,044 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:26,044 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:26,141 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:26,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578310901] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:26,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:25:26,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-02-08 09:25:26,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142001784] [2025-02-08 09:25:26,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:26,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:25:26,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:26,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:25:26,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:25:26,143 INFO L87 Difference]: Start difference. First operand 725 states and 980 transitions. Second operand has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 14 states have internal predecessors, (165), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-02-08 09:25:26,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:26,780 INFO L93 Difference]: Finished difference Result 1001 states and 1320 transitions. [2025-02-08 09:25:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-02-08 09:25:26,781 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 14 states have internal predecessors, (165), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 103 [2025-02-08 09:25:26,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:26,784 INFO L225 Difference]: With dead ends: 1001 [2025-02-08 09:25:26,784 INFO L226 Difference]: Without dead ends: 1000 [2025-02-08 09:25:26,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2025-02-08 09:25:26,785 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 1398 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:26,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 490 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:25:26,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2025-02-08 09:25:26,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 827. [2025-02-08 09:25:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 706 states have (on average 1.3810198300283285) internal successors, (975), 740 states have internal predecessors, (975), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2025-02-08 09:25:26,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1143 transitions. [2025-02-08 09:25:26,840 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1143 transitions. Word has length 103 [2025-02-08 09:25:26,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:26,840 INFO L471 AbstractCegarLoop]: Abstraction has 827 states and 1143 transitions. [2025-02-08 09:25:26,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 14 states have internal predecessors, (165), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-02-08 09:25:26,840 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1143 transitions. [2025-02-08 09:25:26,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 09:25:26,841 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:26,841 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:26,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:27,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-08 09:25:27,042 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:27,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:27,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1682367971, now seen corresponding path program 1 times [2025-02-08 09:25:27,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:27,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669710343] [2025-02-08 09:25:27,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:27,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:27,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:25:27,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:25:27,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:27,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:27,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:27,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669710343] [2025-02-08 09:25:27,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669710343] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:27,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743872493] [2025-02-08 09:25:27,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:27,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:27,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:27,104 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:27,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-08 09:25:27,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:25:27,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:25:27,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:27,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:27,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:25:27,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:27,316 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:27,316 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:27,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743872493] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:27,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:25:27,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-08 09:25:27,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389096525] [2025-02-08 09:25:27,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:27,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:25:27,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:27,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:25:27,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:25:27,445 INFO L87 Difference]: Start difference. First operand 827 states and 1143 transitions. Second operand has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2025-02-08 09:25:28,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:28,058 INFO L93 Difference]: Finished difference Result 1235 states and 1641 transitions. [2025-02-08 09:25:28,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-08 09:25:28,058 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 103 [2025-02-08 09:25:28,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:28,061 INFO L225 Difference]: With dead ends: 1235 [2025-02-08 09:25:28,061 INFO L226 Difference]: Without dead ends: 1234 [2025-02-08 09:25:28,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 09:25:28,062 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 788 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:28,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 528 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:25:28,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2025-02-08 09:25:28,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 983. [2025-02-08 09:25:28,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 847 states have (on average 1.4049586776859504) internal successors, (1190), 881 states have internal predecessors, (1190), 99 states have call successors, (99), 2 states have call predecessors, (99), 2 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2025-02-08 09:25:28,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1388 transitions. [2025-02-08 09:25:28,108 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1388 transitions. Word has length 103 [2025-02-08 09:25:28,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:28,108 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 1388 transitions. [2025-02-08 09:25:28,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2025-02-08 09:25:28,108 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1388 transitions. [2025-02-08 09:25:28,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 09:25:28,109 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:28,109 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:28,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:28,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-08 09:25:28,309 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:28,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:28,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1682369316, now seen corresponding path program 1 times [2025-02-08 09:25:28,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:28,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612395136] [2025-02-08 09:25:28,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:28,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:28,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:25:28,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:25:28,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:28,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:28,384 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:28,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:28,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612395136] [2025-02-08 09:25:28,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612395136] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:28,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143706230] [2025-02-08 09:25:28,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:28,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:28,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:28,386 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:28,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-08 09:25:28,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:25:28,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:25:28,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:28,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:28,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:25:28,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:28,582 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:28,582 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:28,700 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:28,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143706230] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:28,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:25:28,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-08 09:25:28,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390191596] [2025-02-08 09:25:28,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:28,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:25:28,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:28,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:25:28,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:25:28,702 INFO L87 Difference]: Start difference. First operand 983 states and 1388 transitions. Second operand has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2025-02-08 09:25:29,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:29,147 INFO L93 Difference]: Finished difference Result 1188 states and 1615 transitions. [2025-02-08 09:25:29,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:25:29,147 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 103 [2025-02-08 09:25:29,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:29,151 INFO L225 Difference]: With dead ends: 1188 [2025-02-08 09:25:29,151 INFO L226 Difference]: Without dead ends: 1187 [2025-02-08 09:25:29,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:25:29,151 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 1163 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:29,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1166 Valid, 474 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:25:29,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2025-02-08 09:25:29,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1045. [2025-02-08 09:25:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 903 states have (on average 1.3909191583610188) internal successors, (1256), 937 states have internal predecessors, (1256), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-02-08 09:25:29,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1466 transitions. [2025-02-08 09:25:29,206 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1466 transitions. Word has length 103 [2025-02-08 09:25:29,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:29,207 INFO L471 AbstractCegarLoop]: Abstraction has 1045 states and 1466 transitions. [2025-02-08 09:25:29,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2025-02-08 09:25:29,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1466 transitions. [2025-02-08 09:25:29,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-08 09:25:29,209 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:29,209 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:29,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-02-08 09:25:29,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-08 09:25:29,409 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:29,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:29,410 INFO L85 PathProgramCache]: Analyzing trace with hash 613841289, now seen corresponding path program 1 times [2025-02-08 09:25:29,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:29,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006859823] [2025-02-08 09:25:29,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:29,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:29,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 09:25:29,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 09:25:29,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:29,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:29,471 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:29,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:29,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006859823] [2025-02-08 09:25:29,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006859823] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:29,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785136241] [2025-02-08 09:25:29,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:29,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:29,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:29,473 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:29,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-08 09:25:29,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 09:25:29,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 09:25:29,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:29,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:29,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:25:29,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:29,637 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:29,637 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:29,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785136241] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:29,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:25:29,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-02-08 09:25:29,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943168338] [2025-02-08 09:25:29,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:29,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:25:29,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:29,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:25:29,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:25:29,742 INFO L87 Difference]: Start difference. First operand 1045 states and 1466 transitions. Second operand has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2025-02-08 09:25:30,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:30,127 INFO L93 Difference]: Finished difference Result 1480 states and 2081 transitions. [2025-02-08 09:25:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:25:30,127 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 104 [2025-02-08 09:25:30,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:30,132 INFO L225 Difference]: With dead ends: 1480 [2025-02-08 09:25:30,132 INFO L226 Difference]: Without dead ends: 1478 [2025-02-08 09:25:30,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:25:30,134 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 327 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:30,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 283 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:25:30,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2025-02-08 09:25:30,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1238. [2025-02-08 09:25:30,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 1078 states have (on average 1.3951762523191094) internal successors, (1504), 1112 states have internal predecessors, (1504), 123 states have call successors, (123), 2 states have call predecessors, (123), 2 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2025-02-08 09:25:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 1750 transitions. [2025-02-08 09:25:30,207 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 1750 transitions. Word has length 104 [2025-02-08 09:25:30,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:30,208 INFO L471 AbstractCegarLoop]: Abstraction has 1238 states and 1750 transitions. [2025-02-08 09:25:30,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2025-02-08 09:25:30,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1750 transitions. [2025-02-08 09:25:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-08 09:25:30,209 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:30,209 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:30,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:30,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:30,409 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:30,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:30,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1861082525, now seen corresponding path program 1 times [2025-02-08 09:25:30,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:30,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513694907] [2025-02-08 09:25:30,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:30,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:30,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 09:25:30,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 09:25:30,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:30,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:30,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:30,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513694907] [2025-02-08 09:25:30,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513694907] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:30,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91012243] [2025-02-08 09:25:30,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:30,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:30,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:30,467 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:30,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-08 09:25:30,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 09:25:30,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 09:25:30,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:30,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:30,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:25:30,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:30,645 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:30,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:30,745 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:30,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91012243] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:30,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:25:30,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-02-08 09:25:30,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447348715] [2025-02-08 09:25:30,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:30,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:25:30,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:30,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:25:30,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:25:30,747 INFO L87 Difference]: Start difference. First operand 1238 states and 1750 transitions. Second operand has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2025-02-08 09:25:31,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:31,270 INFO L93 Difference]: Finished difference Result 1765 states and 2499 transitions. [2025-02-08 09:25:31,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:25:31,270 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 106 [2025-02-08 09:25:31,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:31,275 INFO L225 Difference]: With dead ends: 1765 [2025-02-08 09:25:31,275 INFO L226 Difference]: Without dead ends: 1763 [2025-02-08 09:25:31,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:25:31,276 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 337 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:31,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 289 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:25:31,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2025-02-08 09:25:31,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1457. [2025-02-08 09:25:31,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1457 states, 1275 states have (on average 1.3992156862745098) internal successors, (1784), 1309 states have internal predecessors, (1784), 145 states have call successors, (145), 2 states have call predecessors, (145), 2 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2025-02-08 09:25:31,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2074 transitions. [2025-02-08 09:25:31,356 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2074 transitions. Word has length 106 [2025-02-08 09:25:31,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:31,356 INFO L471 AbstractCegarLoop]: Abstraction has 1457 states and 2074 transitions. [2025-02-08 09:25:31,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2025-02-08 09:25:31,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2074 transitions. [2025-02-08 09:25:31,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-02-08 09:25:31,357 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:31,357 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:31,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:31,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-08 09:25:31,561 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:31,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:31,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1392503651, now seen corresponding path program 1 times [2025-02-08 09:25:31,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:31,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472509875] [2025-02-08 09:25:31,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:31,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:31,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-08 09:25:31,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-08 09:25:31,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:31,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:31,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [624248785] [2025-02-08 09:25:31,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:31,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:31,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:31,579 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:31,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-08 09:25:31,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-08 09:25:31,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-08 09:25:31,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:31,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:31,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:25:31,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:31,876 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:31,876 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:31,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:31,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472509875] [2025-02-08 09:25:31,933 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:31,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624248785] [2025-02-08 09:25:31,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624248785] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:31,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:31,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:25:31,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411455219] [2025-02-08 09:25:31,933 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:31,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:25:31,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:31,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:25:31,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:25:31,933 INFO L87 Difference]: Start difference. First operand 1457 states and 2074 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:25:32,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:32,395 INFO L93 Difference]: Finished difference Result 1561 states and 2219 transitions. [2025-02-08 09:25:32,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:25:32,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 109 [2025-02-08 09:25:32,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:32,399 INFO L225 Difference]: With dead ends: 1561 [2025-02-08 09:25:32,399 INFO L226 Difference]: Without dead ends: 1557 [2025-02-08 09:25:32,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:25:32,400 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 206 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:32,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 262 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:25:32,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2025-02-08 09:25:32,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 1433. [2025-02-08 09:25:32,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1433 states, 1257 states have (on average 1.349244232299125) internal successors, (1696), 1287 states have internal predecessors, (1696), 143 states have call successors, (143), 2 states have call predecessors, (143), 2 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2025-02-08 09:25:32,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 1982 transitions. [2025-02-08 09:25:32,477 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 1982 transitions. Word has length 109 [2025-02-08 09:25:32,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:32,477 INFO L471 AbstractCegarLoop]: Abstraction has 1433 states and 1982 transitions. [2025-02-08 09:25:32,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:25:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1982 transitions. [2025-02-08 09:25:32,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-08 09:25:32,478 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:32,478 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:32,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-02-08 09:25:32,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-08 09:25:32,678 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:32,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:32,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1184254435, now seen corresponding path program 1 times [2025-02-08 09:25:32,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:32,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357559162] [2025-02-08 09:25:32,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:32,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:32,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-08 09:25:32,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-08 09:25:32,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:32,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:32,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [347416946] [2025-02-08 09:25:32,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:32,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:32,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:32,695 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:32,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-08 09:25:32,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-08 09:25:32,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-08 09:25:32,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:32,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:32,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:25:32,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:32,951 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:32,951 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:33,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:33,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357559162] [2025-02-08 09:25:33,061 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:33,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347416946] [2025-02-08 09:25:33,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347416946] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:33,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:33,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:25:33,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579863356] [2025-02-08 09:25:33,061 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:33,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:25:33,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:33,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:25:33,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:25:33,061 INFO L87 Difference]: Start difference. First operand 1433 states and 1982 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:25:33,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:33,388 INFO L93 Difference]: Finished difference Result 1484 states and 2045 transitions. [2025-02-08 09:25:33,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:25:33,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 110 [2025-02-08 09:25:33,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:33,392 INFO L225 Difference]: With dead ends: 1484 [2025-02-08 09:25:33,392 INFO L226 Difference]: Without dead ends: 1482 [2025-02-08 09:25:33,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:25:33,393 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 93 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:33,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 241 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:25:33,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2025-02-08 09:25:33,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1444. [2025-02-08 09:25:33,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1267 states have (on average 1.3480662983425415) internal successors, (1708), 1297 states have internal predecessors, (1708), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2025-02-08 09:25:33,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1996 transitions. [2025-02-08 09:25:33,480 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 1996 transitions. Word has length 110 [2025-02-08 09:25:33,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:33,480 INFO L471 AbstractCegarLoop]: Abstraction has 1444 states and 1996 transitions. [2025-02-08 09:25:33,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:25:33,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1996 transitions. [2025-02-08 09:25:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-08 09:25:33,481 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:33,481 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:33,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:33,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:33,685 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:33,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:33,685 INFO L85 PathProgramCache]: Analyzing trace with hash -217940131, now seen corresponding path program 2 times [2025-02-08 09:25:33,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:33,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937135063] [2025-02-08 09:25:33,685 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:25:33,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:33,690 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 110 statements into 2 equivalence classes. [2025-02-08 09:25:33,696 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 110 of 110 statements. [2025-02-08 09:25:33,696 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:25:33,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:33,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1418694241] [2025-02-08 09:25:33,697 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:25:33,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:33,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:33,699 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:33,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-08 09:25:33,722 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 110 statements into 2 equivalence classes. [2025-02-08 09:25:33,740 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 110 of 110 statements. [2025-02-08 09:25:33,740 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:25:33,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:33,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:25:33,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:34,004 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:34,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:34,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:34,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937135063] [2025-02-08 09:25:34,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:34,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418694241] [2025-02-08 09:25:34,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418694241] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:34,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:34,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:25:34,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022255009] [2025-02-08 09:25:34,124 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:34,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:25:34,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:34,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:25:34,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:25:34,124 INFO L87 Difference]: Start difference. First operand 1444 states and 1996 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:25:34,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:34,371 INFO L93 Difference]: Finished difference Result 1496 states and 2061 transitions. [2025-02-08 09:25:34,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:25:34,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 110 [2025-02-08 09:25:34,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:34,376 INFO L225 Difference]: With dead ends: 1496 [2025-02-08 09:25:34,376 INFO L226 Difference]: Without dead ends: 1494 [2025-02-08 09:25:34,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:25:34,377 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 152 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:34,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 153 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:25:34,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2025-02-08 09:25:34,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1443. [2025-02-08 09:25:34,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1443 states, 1266 states have (on average 1.3475513428120063) internal successors, (1706), 1296 states have internal predecessors, (1706), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2025-02-08 09:25:34,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1994 transitions. [2025-02-08 09:25:34,458 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1994 transitions. Word has length 110 [2025-02-08 09:25:34,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:34,458 INFO L471 AbstractCegarLoop]: Abstraction has 1443 states and 1994 transitions. [2025-02-08 09:25:34,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:25:34,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1994 transitions. [2025-02-08 09:25:34,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-02-08 09:25:34,459 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:34,459 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:34,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:34,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:34,659 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:34,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:34,660 INFO L85 PathProgramCache]: Analyzing trace with hash 97824219, now seen corresponding path program 1 times [2025-02-08 09:25:34,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:34,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208883315] [2025-02-08 09:25:34,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:34,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:34,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-08 09:25:34,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 09:25:34,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:34,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:34,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1301994388] [2025-02-08 09:25:34,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:34,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:34,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:34,674 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:34,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-08 09:25:34,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-08 09:25:34,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 09:25:34,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:34,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:34,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:25:34,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:34,937 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:34,937 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:35,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:35,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208883315] [2025-02-08 09:25:35,053 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:35,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301994388] [2025-02-08 09:25:35,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301994388] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:35,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:35,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:25:35,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055165441] [2025-02-08 09:25:35,053 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:35,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:25:35,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:35,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:25:35,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:25:35,054 INFO L87 Difference]: Start difference. First operand 1443 states and 1994 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:25:35,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:35,399 INFO L93 Difference]: Finished difference Result 1493 states and 2056 transitions. [2025-02-08 09:25:35,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:25:35,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 112 [2025-02-08 09:25:35,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:35,404 INFO L225 Difference]: With dead ends: 1493 [2025-02-08 09:25:35,404 INFO L226 Difference]: Without dead ends: 1491 [2025-02-08 09:25:35,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:25:35,405 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 88 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:35,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 257 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:25:35,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2025-02-08 09:25:35,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1452. [2025-02-08 09:25:35,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1274 states have (on average 1.3461538461538463) internal successors, (1715), 1304 states have internal predecessors, (1715), 145 states have call successors, (145), 2 states have call predecessors, (145), 2 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2025-02-08 09:25:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 2005 transitions. [2025-02-08 09:25:35,479 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 2005 transitions. Word has length 112 [2025-02-08 09:25:35,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:35,479 INFO L471 AbstractCegarLoop]: Abstraction has 1452 states and 2005 transitions. [2025-02-08 09:25:35,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:25:35,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 2005 transitions. [2025-02-08 09:25:35,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-02-08 09:25:35,480 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:35,480 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:35,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:35,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-02-08 09:25:35,681 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:35,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:35,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1012934427, now seen corresponding path program 2 times [2025-02-08 09:25:35,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:35,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106967915] [2025-02-08 09:25:35,682 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:25:35,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:35,687 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-02-08 09:25:35,699 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 09:25:35,699 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:25:35,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:35,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [217948252] [2025-02-08 09:25:35,706 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:25:35,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:35,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:35,708 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:35,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-02-08 09:25:35,729 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-02-08 09:25:35,750 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 09:25:35,750 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:25:35,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:35,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:25:35,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:36,017 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:36,017 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:36,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:36,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106967915] [2025-02-08 09:25:36,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:36,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217948252] [2025-02-08 09:25:36,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217948252] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:36,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:36,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:25:36,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990389276] [2025-02-08 09:25:36,100 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:36,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:25:36,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:36,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:25:36,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:25:36,101 INFO L87 Difference]: Start difference. First operand 1452 states and 2005 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:25:36,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:36,473 INFO L93 Difference]: Finished difference Result 1474 states and 2031 transitions. [2025-02-08 09:25:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:25:36,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 112 [2025-02-08 09:25:36,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:36,477 INFO L225 Difference]: With dead ends: 1474 [2025-02-08 09:25:36,479 INFO L226 Difference]: Without dead ends: 1472 [2025-02-08 09:25:36,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:25:36,480 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 89 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:36,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 259 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:25:36,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2025-02-08 09:25:36,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1443. [2025-02-08 09:25:36,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1443 states, 1266 states have (on average 1.345181674565561) internal successors, (1703), 1296 states have internal predecessors, (1703), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2025-02-08 09:25:36,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1991 transitions. [2025-02-08 09:25:36,561 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1991 transitions. Word has length 112 [2025-02-08 09:25:36,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:36,561 INFO L471 AbstractCegarLoop]: Abstraction has 1443 states and 1991 transitions. [2025-02-08 09:25:36,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:25:36,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1991 transitions. [2025-02-08 09:25:36,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-02-08 09:25:36,561 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:36,561 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:36,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-02-08 09:25:36,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:36,762 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:36,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:36,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1658661827, now seen corresponding path program 1 times [2025-02-08 09:25:36,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:36,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777025751] [2025-02-08 09:25:36,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:36,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:36,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-08 09:25:36,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 09:25:36,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:36,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:36,829 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-02-08 09:25:36,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:36,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777025751] [2025-02-08 09:25:36,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777025751] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:36,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111254794] [2025-02-08 09:25:36,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:36,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:36,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:36,831 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:36,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-02-08 09:25:36,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-08 09:25:36,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 09:25:36,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:36,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:36,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:25:36,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-02-08 09:25:36,903 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-02-08 09:25:36,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111254794] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:36,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:25:36,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-08 09:25:36,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527076057] [2025-02-08 09:25:36,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:36,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:25:36,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:36,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:25:36,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:25:36,986 INFO L87 Difference]: Start difference. First operand 1443 states and 1991 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-08 09:25:37,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:37,602 INFO L93 Difference]: Finished difference Result 1445 states and 1993 transitions. [2025-02-08 09:25:37,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:25:37,602 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 114 [2025-02-08 09:25:37,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:37,606 INFO L225 Difference]: With dead ends: 1445 [2025-02-08 09:25:37,606 INFO L226 Difference]: Without dead ends: 1444 [2025-02-08 09:25:37,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:25:37,607 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 139 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:37,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 141 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:25:37,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2025-02-08 09:25:37,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 1442. [2025-02-08 09:25:37,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1266 states have (on average 1.3420221169036335) internal successors, (1699), 1295 states have internal predecessors, (1699), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2025-02-08 09:25:37,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 1987 transitions. [2025-02-08 09:25:37,690 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 1987 transitions. Word has length 114 [2025-02-08 09:25:37,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:37,691 INFO L471 AbstractCegarLoop]: Abstraction has 1442 states and 1987 transitions. [2025-02-08 09:25:37,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-08 09:25:37,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1987 transitions. [2025-02-08 09:25:37,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-08 09:25:37,691 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:37,691 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:37,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:37,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2025-02-08 09:25:37,892 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:37,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:37,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1262416423, now seen corresponding path program 1 times [2025-02-08 09:25:37,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:37,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871803703] [2025-02-08 09:25:37,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:37,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:37,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-08 09:25:37,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 09:25:37,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:37,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:37,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1169775411] [2025-02-08 09:25:37,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:37,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:37,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:37,905 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:37,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-02-08 09:25:37,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-08 09:25:37,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 09:25:37,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:37,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:37,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:25:37,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:38,261 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:38,261 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:38,405 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2025-02-08 09:25:38,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:38,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871803703] [2025-02-08 09:25:38,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:38,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169775411] [2025-02-08 09:25:38,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169775411] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:38,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:38,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-02-08 09:25:38,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78940602] [2025-02-08 09:25:38,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:25:38,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:25:38,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:38,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:25:38,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:25:38,407 INFO L87 Difference]: Start difference. First operand 1442 states and 1987 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:25:38,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:38,731 INFO L93 Difference]: Finished difference Result 1442 states and 1987 transitions. [2025-02-08 09:25:38,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:25:38,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 113 [2025-02-08 09:25:38,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:38,737 INFO L225 Difference]: With dead ends: 1442 [2025-02-08 09:25:38,737 INFO L226 Difference]: Without dead ends: 1441 [2025-02-08 09:25:38,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 215 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:25:38,738 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 84 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:38,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 131 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:25:38,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2025-02-08 09:25:38,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1441. [2025-02-08 09:25:38,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1266 states have (on average 1.3175355450236967) internal successors, (1668), 1294 states have internal predecessors, (1668), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2025-02-08 09:25:38,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 1956 transitions. [2025-02-08 09:25:38,822 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 1956 transitions. Word has length 113 [2025-02-08 09:25:38,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:38,822 INFO L471 AbstractCegarLoop]: Abstraction has 1441 states and 1956 transitions. [2025-02-08 09:25:38,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:25:38,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1956 transitions. [2025-02-08 09:25:38,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-02-08 09:25:38,823 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:38,823 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:38,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:39,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-02-08 09:25:39,027 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:39,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:39,027 INFO L85 PathProgramCache]: Analyzing trace with hash 121090921, now seen corresponding path program 1 times [2025-02-08 09:25:39,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:39,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397338781] [2025-02-08 09:25:39,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:39,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:39,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-08 09:25:39,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-08 09:25:39,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:39,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:39,079 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-02-08 09:25:39,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:39,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397338781] [2025-02-08 09:25:39,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397338781] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:25:39,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:25:39,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:25:39,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546845451] [2025-02-08 09:25:39,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:25:39,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:25:39,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:39,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:25:39,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:25:39,080 INFO L87 Difference]: Start difference. First operand 1441 states and 1956 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-08 09:25:39,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:39,533 INFO L93 Difference]: Finished difference Result 1457 states and 1969 transitions. [2025-02-08 09:25:39,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:25:39,533 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 115 [2025-02-08 09:25:39,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:39,535 INFO L225 Difference]: With dead ends: 1457 [2025-02-08 09:25:39,535 INFO L226 Difference]: Without dead ends: 1456 [2025-02-08 09:25:39,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:25:39,536 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 148 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:39,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 202 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:25:39,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2025-02-08 09:25:39,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1440. [2025-02-08 09:25:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1266 states have (on average 1.3143759873617693) internal successors, (1664), 1293 states have internal predecessors, (1664), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2025-02-08 09:25:39,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 1952 transitions. [2025-02-08 09:25:39,625 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 1952 transitions. Word has length 115 [2025-02-08 09:25:39,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:39,625 INFO L471 AbstractCegarLoop]: Abstraction has 1440 states and 1952 transitions. [2025-02-08 09:25:39,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-08 09:25:39,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1952 transitions. [2025-02-08 09:25:39,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-02-08 09:25:39,626 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:39,626 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:39,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2025-02-08 09:25:39,626 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:39,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:39,626 INFO L85 PathProgramCache]: Analyzing trace with hash -480203367, now seen corresponding path program 1 times [2025-02-08 09:25:39,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:39,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418800288] [2025-02-08 09:25:39,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:39,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:39,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-08 09:25:39,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 09:25:39,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:39,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:39,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1734681571] [2025-02-08 09:25:39,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:39,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:39,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:39,638 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:39,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-02-08 09:25:39,660 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-08 09:25:39,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 09:25:39,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:39,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:39,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:25:39,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:39,958 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:42,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:42,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418800288] [2025-02-08 09:25:42,502 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:42,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734681571] [2025-02-08 09:25:42,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734681571] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:42,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:42,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:25:42,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330304570] [2025-02-08 09:25:42,502 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:42,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:25:42,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:42,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:25:42,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=59, Unknown=1, NotChecked=0, Total=90 [2025-02-08 09:25:42,502 INFO L87 Difference]: Start difference. First operand 1440 states and 1952 transitions. Second operand has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:25:43,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:43,124 INFO L93 Difference]: Finished difference Result 1534 states and 2076 transitions. [2025-02-08 09:25:43,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:25:43,125 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 114 [2025-02-08 09:25:43,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:43,127 INFO L225 Difference]: With dead ends: 1534 [2025-02-08 09:25:43,127 INFO L226 Difference]: Without dead ends: 1530 [2025-02-08 09:25:43,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=52, Invalid=103, Unknown=1, NotChecked=0, Total=156 [2025-02-08 09:25:43,128 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 223 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:43,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 283 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:25:43,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2025-02-08 09:25:43,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1488. [2025-02-08 09:25:43,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1488 states, 1309 states have (on average 1.297937356760886) internal successors, (1699), 1336 states have internal predecessors, (1699), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2025-02-08 09:25:43,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1997 transitions. [2025-02-08 09:25:43,222 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1997 transitions. Word has length 114 [2025-02-08 09:25:43,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:43,222 INFO L471 AbstractCegarLoop]: Abstraction has 1488 states and 1997 transitions. [2025-02-08 09:25:43,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:25:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1997 transitions. [2025-02-08 09:25:43,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-02-08 09:25:43,223 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:43,223 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:43,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:43,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-02-08 09:25:43,424 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:43,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:43,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1527589159, now seen corresponding path program 2 times [2025-02-08 09:25:43,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:43,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746916200] [2025-02-08 09:25:43,424 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:25:43,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:43,427 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 2 equivalence classes. [2025-02-08 09:25:43,437 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 09:25:43,437 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:25:43,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:43,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [581509771] [2025-02-08 09:25:43,438 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:25:43,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:43,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:43,441 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:43,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-02-08 09:25:43,464 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 2 equivalence classes. [2025-02-08 09:25:43,481 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 09:25:43,481 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:25:43,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:43,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:25:43,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:43,764 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:25:43,764 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:44,010 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-08 09:25:44,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:44,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746916200] [2025-02-08 09:25:44,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:44,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581509771] [2025-02-08 09:25:44,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581509771] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:44,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:44,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-02-08 09:25:44,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520997809] [2025-02-08 09:25:44,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:25:44,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:25:44,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:44,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:25:44,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:25:44,011 INFO L87 Difference]: Start difference. First operand 1488 states and 1997 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:25:45,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:45,127 INFO L93 Difference]: Finished difference Result 1488 states and 1997 transitions. [2025-02-08 09:25:45,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:25:45,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 114 [2025-02-08 09:25:45,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:45,130 INFO L225 Difference]: With dead ends: 1488 [2025-02-08 09:25:45,130 INFO L226 Difference]: Without dead ends: 1485 [2025-02-08 09:25:45,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 217 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:25:45,131 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 84 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:45,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 131 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:25:45,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2025-02-08 09:25:45,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1468. [2025-02-08 09:25:45,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 1293 states have (on average 1.28538283062645) internal successors, (1662), 1317 states have internal predecessors, (1662), 148 states have call successors, (148), 2 states have call predecessors, (148), 2 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2025-02-08 09:25:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1958 transitions. [2025-02-08 09:25:45,224 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 1958 transitions. Word has length 114 [2025-02-08 09:25:45,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:45,224 INFO L471 AbstractCegarLoop]: Abstraction has 1468 states and 1958 transitions. [2025-02-08 09:25:45,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:25:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1958 transitions. [2025-02-08 09:25:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-08 09:25:45,225 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:45,225 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:45,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:45,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:45,425 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:45,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:45,425 INFO L85 PathProgramCache]: Analyzing trace with hash -17934336, now seen corresponding path program 2 times [2025-02-08 09:25:45,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:45,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914475061] [2025-02-08 09:25:45,426 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:25:45,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:45,429 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 120 statements into 2 equivalence classes. [2025-02-08 09:25:45,438 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:25:45,439 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:25:45,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:45,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614022752] [2025-02-08 09:25:45,439 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:25:45,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:45,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:45,449 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:45,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-02-08 09:25:45,470 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 120 statements into 2 equivalence classes. [2025-02-08 09:25:45,489 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:25:45,489 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:25:45,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:45,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:25:45,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:45,928 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-02-08 09:25:45,929 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:46,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:46,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914475061] [2025-02-08 09:25:46,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:46,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614022752] [2025-02-08 09:25:46,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614022752] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:46,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:46,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:25:46,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831320689] [2025-02-08 09:25:46,270 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:46,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:25:46,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:46,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:25:46,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:25:46,271 INFO L87 Difference]: Start difference. First operand 1468 states and 1958 transitions. Second operand has 11 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-02-08 09:25:47,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:47,103 INFO L93 Difference]: Finished difference Result 1714 states and 2275 transitions. [2025-02-08 09:25:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:25:47,104 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 120 [2025-02-08 09:25:47,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:47,107 INFO L225 Difference]: With dead ends: 1714 [2025-02-08 09:25:47,107 INFO L226 Difference]: Without dead ends: 1712 [2025-02-08 09:25:47,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:25:47,107 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 367 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:47,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 492 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:25:47,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2025-02-08 09:25:47,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1597. [2025-02-08 09:25:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1409 states have (on average 1.2867281760113556) internal successors, (1813), 1433 states have internal predecessors, (1813), 161 states have call successors, (161), 2 states have call predecessors, (161), 2 states have return successors, (161), 161 states have call predecessors, (161), 161 states have call successors, (161) [2025-02-08 09:25:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2135 transitions. [2025-02-08 09:25:47,216 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2135 transitions. Word has length 120 [2025-02-08 09:25:47,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:47,217 INFO L471 AbstractCegarLoop]: Abstraction has 1597 states and 2135 transitions. [2025-02-08 09:25:47,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-02-08 09:25:47,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2135 transitions. [2025-02-08 09:25:47,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-08 09:25:47,218 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:47,218 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:47,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:47,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-02-08 09:25:47,418 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:47,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:47,419 INFO L85 PathProgramCache]: Analyzing trace with hash 8228588, now seen corresponding path program 1 times [2025-02-08 09:25:47,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:47,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028668695] [2025-02-08 09:25:47,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:47,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:47,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-08 09:25:47,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-08 09:25:47,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:47,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:47,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [258182539] [2025-02-08 09:25:47,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:47,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:47,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:47,435 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:47,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-02-08 09:25:47,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-08 09:25:47,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-08 09:25:47,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:47,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:47,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:25:47,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-02-08 09:25:47,901 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:48,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:48,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028668695] [2025-02-08 09:25:48,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:48,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258182539] [2025-02-08 09:25:48,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258182539] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:48,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:48,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:25:48,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698426324] [2025-02-08 09:25:48,107 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:48,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:25:48,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:48,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:25:48,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:25:48,107 INFO L87 Difference]: Start difference. First operand 1597 states and 2135 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-02-08 09:25:48,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:48,889 INFO L93 Difference]: Finished difference Result 1690 states and 2252 transitions. [2025-02-08 09:25:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:25:48,890 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 123 [2025-02-08 09:25:48,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:48,893 INFO L225 Difference]: With dead ends: 1690 [2025-02-08 09:25:48,893 INFO L226 Difference]: Without dead ends: 1688 [2025-02-08 09:25:48,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:25:48,894 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 232 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:48,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 509 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:25:48,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2025-02-08 09:25:48,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1622. [2025-02-08 09:25:48,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1622 states, 1432 states have (on average 1.2863128491620113) internal successors, (1842), 1456 states have internal predecessors, (1842), 163 states have call successors, (163), 2 states have call predecessors, (163), 2 states have return successors, (163), 163 states have call predecessors, (163), 163 states have call successors, (163) [2025-02-08 09:25:49,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 2168 transitions. [2025-02-08 09:25:49,000 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 2168 transitions. Word has length 123 [2025-02-08 09:25:49,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:49,000 INFO L471 AbstractCegarLoop]: Abstraction has 1622 states and 2168 transitions. [2025-02-08 09:25:49,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-02-08 09:25:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2168 transitions. [2025-02-08 09:25:49,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-08 09:25:49,001 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:49,001 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:49,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2025-02-08 09:25:49,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,46 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:49,201 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:49,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:49,202 INFO L85 PathProgramCache]: Analyzing trace with hash 255086299, now seen corresponding path program 1 times [2025-02-08 09:25:49,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:49,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049494071] [2025-02-08 09:25:49,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:49,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:49,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-08 09:25:49,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-08 09:25:49,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:49,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:49,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1038585737] [2025-02-08 09:25:49,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:49,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:49,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:49,215 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:49,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-02-08 09:25:49,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-08 09:25:49,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-08 09:25:49,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:49,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:49,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-02-08 09:25:49,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:50,083 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-02-08 09:25:50,084 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 15 proven. 53 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-08 09:25:51,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:51,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049494071] [2025-02-08 09:25:51,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:51,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038585737] [2025-02-08 09:25:51,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038585737] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:51,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:25:51,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2025-02-08 09:25:51,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079241594] [2025-02-08 09:25:51,012 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:51,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-02-08 09:25:51,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:51,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-02-08 09:25:51,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2025-02-08 09:25:51,014 INFO L87 Difference]: Start difference. First operand 1622 states and 2168 transitions. Second operand has 25 states, 24 states have (on average 6.25) internal successors, (150), 24 states have internal predecessors, (150), 8 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (21), 10 states have call predecessors, (21), 8 states have call successors, (21) [2025-02-08 09:25:55,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:55,340 INFO L93 Difference]: Finished difference Result 1688 states and 2249 transitions. [2025-02-08 09:25:55,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-02-08 09:25:55,341 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.25) internal successors, (150), 24 states have internal predecessors, (150), 8 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (21), 10 states have call predecessors, (21), 8 states have call successors, (21) Word has length 124 [2025-02-08 09:25:55,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:55,343 INFO L225 Difference]: With dead ends: 1688 [2025-02-08 09:25:55,343 INFO L226 Difference]: Without dead ends: 1656 [2025-02-08 09:25:55,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=573, Invalid=2289, Unknown=0, NotChecked=0, Total=2862 [2025-02-08 09:25:55,345 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 712 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 3088 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 3207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 3088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:55,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [712 Valid, 391 Invalid, 3207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 3088 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-02-08 09:25:55,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2025-02-08 09:25:55,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1576. [2025-02-08 09:25:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1391 states have (on average 1.278217109992811) internal successors, (1778), 1414 states have internal predecessors, (1778), 159 states have call successors, (159), 2 states have call predecessors, (159), 2 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-02-08 09:25:55,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2096 transitions. [2025-02-08 09:25:55,477 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2096 transitions. Word has length 124 [2025-02-08 09:25:55,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:55,477 INFO L471 AbstractCegarLoop]: Abstraction has 1576 states and 2096 transitions. [2025-02-08 09:25:55,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.25) internal successors, (150), 24 states have internal predecessors, (150), 8 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (21), 10 states have call predecessors, (21), 8 states have call successors, (21) [2025-02-08 09:25:55,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2096 transitions. [2025-02-08 09:25:55,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-02-08 09:25:55,477 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:55,477 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:55,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:55,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2025-02-08 09:25:55,678 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:55,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:55,678 INFO L85 PathProgramCache]: Analyzing trace with hash 249826184, now seen corresponding path program 2 times [2025-02-08 09:25:55,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:55,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368189210] [2025-02-08 09:25:55,678 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:25:55,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:55,681 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 131 statements into 2 equivalence classes. [2025-02-08 09:25:55,690 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 131 of 131 statements. [2025-02-08 09:25:55,690 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:25:55,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:55,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [560371935] [2025-02-08 09:25:55,691 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:25:55,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:55,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:55,694 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:55,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-02-08 09:25:55,715 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 131 statements into 2 equivalence classes. [2025-02-08 09:25:55,732 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 131 of 131 statements. [2025-02-08 09:25:55,733 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:25:55,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:55,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-08 09:25:55,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:56,199 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 6 proven. 68 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-02-08 09:25:56,199 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:57,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:57,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368189210] [2025-02-08 09:25:57,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:57,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560371935] [2025-02-08 09:25:57,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560371935] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:57,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:57,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:25:57,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295791672] [2025-02-08 09:25:57,890 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:57,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:25:57,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:57,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:25:57,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=188, Unknown=1, NotChecked=0, Total=240 [2025-02-08 09:25:57,891 INFO L87 Difference]: Start difference. First operand 1576 states and 2096 transitions. Second operand has 12 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-02-08 09:25:58,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:58,609 INFO L93 Difference]: Finished difference Result 1776 states and 2362 transitions. [2025-02-08 09:25:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:25:58,610 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 131 [2025-02-08 09:25:58,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:58,613 INFO L225 Difference]: With dead ends: 1776 [2025-02-08 09:25:58,613 INFO L226 Difference]: Without dead ends: 1774 [2025-02-08 09:25:58,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=120, Invalid=385, Unknown=1, NotChecked=0, Total=506 [2025-02-08 09:25:58,613 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 288 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:58,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 464 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:25:58,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2025-02-08 09:25:58,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1632. [2025-02-08 09:25:58,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1441 states have (on average 1.27411519777932) internal successors, (1836), 1464 states have internal predecessors, (1836), 165 states have call successors, (165), 2 states have call predecessors, (165), 2 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2025-02-08 09:25:58,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2166 transitions. [2025-02-08 09:25:58,763 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2166 transitions. Word has length 131 [2025-02-08 09:25:58,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:58,763 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2166 transitions. [2025-02-08 09:25:58,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-02-08 09:25:58,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2166 transitions. [2025-02-08 09:25:58,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-08 09:25:58,764 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:58,764 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:58,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2025-02-08 09:25:58,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,48 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:58,965 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:25:58,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:58,966 INFO L85 PathProgramCache]: Analyzing trace with hash 799917719, now seen corresponding path program 1 times [2025-02-08 09:25:58,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:58,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695929718] [2025-02-08 09:25:58,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:58,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:58,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-08 09:25:58,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-08 09:25:58,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:58,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:58,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1423528208] [2025-02-08 09:25:58,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:58,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:58,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:58,985 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:58,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-02-08 09:25:59,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-08 09:25:59,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-08 09:25:59,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:59,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:59,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:25:59,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:59,520 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 3 proven. 68 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2025-02-08 09:25:59,521 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:59,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:59,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695929718] [2025-02-08 09:25:59,824 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:59,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423528208] [2025-02-08 09:25:59,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423528208] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:59,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:59,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:25:59,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181574353] [2025-02-08 09:25:59,825 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:59,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:25:59,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:59,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:25:59,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:25:59,825 INFO L87 Difference]: Start difference. First operand 1632 states and 2166 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2025-02-08 09:26:00,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:00,418 INFO L93 Difference]: Finished difference Result 1761 states and 2322 transitions. [2025-02-08 09:26:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:26:00,419 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 134 [2025-02-08 09:26:00,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:00,421 INFO L225 Difference]: With dead ends: 1761 [2025-02-08 09:26:00,421 INFO L226 Difference]: Without dead ends: 1760 [2025-02-08 09:26:00,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:26:00,422 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 204 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:00,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 511 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:00,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2025-02-08 09:26:00,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1632. [2025-02-08 09:26:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1441 states have (on average 1.2734212352532963) internal successors, (1835), 1464 states have internal predecessors, (1835), 165 states have call successors, (165), 2 states have call predecessors, (165), 2 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2025-02-08 09:26:00,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2165 transitions. [2025-02-08 09:26:00,580 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2165 transitions. Word has length 134 [2025-02-08 09:26:00,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:00,580 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2165 transitions. [2025-02-08 09:26:00,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2025-02-08 09:26:00,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2165 transitions. [2025-02-08 09:26:00,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-08 09:26:00,581 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:00,581 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:00,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:00,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-02-08 09:26:00,781 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:26:00,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:00,782 INFO L85 PathProgramCache]: Analyzing trace with hash -972354429, now seen corresponding path program 1 times [2025-02-08 09:26:00,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:00,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653948921] [2025-02-08 09:26:00,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:00,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:00,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-02-08 09:26:00,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:26:00,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:00,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:00,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [615563677] [2025-02-08 09:26:00,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:00,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:00,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:00,792 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:00,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-02-08 09:26:00,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-02-08 09:26:00,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:26:00,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:00,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:00,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:26:00,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 24 proven. 40 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-02-08 09:26:01,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:01,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:01,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653948921] [2025-02-08 09:26:01,185 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:01,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615563677] [2025-02-08 09:26:01,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615563677] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:01,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:01,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:26:01,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884108892] [2025-02-08 09:26:01,185 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:01,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:26:01,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:01,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:26:01,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:26:01,186 INFO L87 Difference]: Start difference. First operand 1632 states and 2165 transitions. Second operand has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-08 09:26:02,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:02,119 INFO L93 Difference]: Finished difference Result 1927 states and 2558 transitions. [2025-02-08 09:26:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-08 09:26:02,120 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 135 [2025-02-08 09:26:02,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:02,123 INFO L225 Difference]: With dead ends: 1927 [2025-02-08 09:26:02,123 INFO L226 Difference]: Without dead ends: 1922 [2025-02-08 09:26:02,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:26:02,124 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 264 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:02,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 484 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1272 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:26:02,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2025-02-08 09:26:02,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1795. [2025-02-08 09:26:02,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1795 states, 1588 states have (on average 1.2701511335012594) internal successors, (2017), 1611 states have internal predecessors, (2017), 181 states have call successors, (181), 2 states have call predecessors, (181), 2 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2025-02-08 09:26:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1795 states and 2379 transitions. [2025-02-08 09:26:02,294 INFO L78 Accepts]: Start accepts. Automaton has 1795 states and 2379 transitions. Word has length 135 [2025-02-08 09:26:02,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:02,294 INFO L471 AbstractCegarLoop]: Abstraction has 1795 states and 2379 transitions. [2025-02-08 09:26:02,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-08 09:26:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2379 transitions. [2025-02-08 09:26:02,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-08 09:26:02,295 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:02,295 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:02,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:02,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,50 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:02,496 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:26:02,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:02,496 INFO L85 PathProgramCache]: Analyzing trace with hash 537602883, now seen corresponding path program 2 times [2025-02-08 09:26:02,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:02,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199377378] [2025-02-08 09:26:02,496 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:26:02,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:02,500 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 135 statements into 2 equivalence classes. [2025-02-08 09:26:02,504 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:26:02,504 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:26:02,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:02,527 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-02-08 09:26:02,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:02,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199377378] [2025-02-08 09:26:02,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199377378] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:02,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:02,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:26:02,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698640290] [2025-02-08 09:26:02,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:02,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:26:02,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:02,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:26:02,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:26:02,529 INFO L87 Difference]: Start difference. First operand 1795 states and 2379 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 09:26:02,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:02,812 INFO L93 Difference]: Finished difference Result 1796 states and 2379 transitions. [2025-02-08 09:26:02,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:26:02,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 135 [2025-02-08 09:26:02,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:02,816 INFO L225 Difference]: With dead ends: 1796 [2025-02-08 09:26:02,816 INFO L226 Difference]: Without dead ends: 1794 [2025-02-08 09:26:02,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:26:02,817 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 32 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:02,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 95 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:02,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2025-02-08 09:26:03,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1794. [2025-02-08 09:26:03,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1794 states, 1588 states have (on average 1.2613350125944585) internal successors, (2003), 1610 states have internal predecessors, (2003), 181 states have call successors, (181), 2 states have call predecessors, (181), 2 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2025-02-08 09:26:03,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2365 transitions. [2025-02-08 09:26:03,030 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2365 transitions. Word has length 135 [2025-02-08 09:26:03,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:03,030 INFO L471 AbstractCegarLoop]: Abstraction has 1794 states and 2365 transitions. [2025-02-08 09:26:03,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-08 09:26:03,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2365 transitions. [2025-02-08 09:26:03,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-08 09:26:03,031 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:03,031 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:03,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2025-02-08 09:26:03,031 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:26:03,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:03,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1618931836, now seen corresponding path program 1 times [2025-02-08 09:26:03,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:03,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627539713] [2025-02-08 09:26:03,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:03,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:03,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-02-08 09:26:03,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:26:03,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:03,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:03,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [91294242] [2025-02-08 09:26:03,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:03,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:03,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:03,046 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:03,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2025-02-08 09:26:03,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-02-08 09:26:03,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:26:03,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:03,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:03,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 09:26:03,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-02-08 09:26:03,637 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:04,075 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-02-08 09:26:04,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:04,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627539713] [2025-02-08 09:26:04,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:04,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91294242] [2025-02-08 09:26:04,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91294242] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:04,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:26:04,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2025-02-08 09:26:04,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4556023] [2025-02-08 09:26:04,075 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:04,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:26:04,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:04,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:26:04,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:26:04,076 INFO L87 Difference]: Start difference. First operand 1794 states and 2365 transitions. Second operand has 17 states, 16 states have (on average 9.625) internal successors, (154), 17 states have internal predecessors, (154), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-02-08 09:26:06,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:06,496 INFO L93 Difference]: Finished difference Result 2007 states and 2656 transitions. [2025-02-08 09:26:06,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-02-08 09:26:06,497 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.625) internal successors, (154), 17 states have internal predecessors, (154), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 135 [2025-02-08 09:26:06,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:06,500 INFO L225 Difference]: With dead ends: 2007 [2025-02-08 09:26:06,500 INFO L226 Difference]: Without dead ends: 2006 [2025-02-08 09:26:06,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=292, Invalid=968, Unknown=0, NotChecked=0, Total=1260 [2025-02-08 09:26:06,501 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 581 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 1801 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 1900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:06,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 394 Invalid, 1900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1801 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-08 09:26:06,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2006 states. [2025-02-08 09:26:06,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2006 to 1967. [2025-02-08 09:26:06,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1967 states, 1746 states have (on average 1.2651775486827033) internal successors, (2209), 1768 states have internal predecessors, (2209), 196 states have call successors, (196), 2 states have call predecessors, (196), 2 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2025-02-08 09:26:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 1967 states and 2601 transitions. [2025-02-08 09:26:06,702 INFO L78 Accepts]: Start accepts. Automaton has 1967 states and 2601 transitions. Word has length 135 [2025-02-08 09:26:06,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:06,703 INFO L471 AbstractCegarLoop]: Abstraction has 1967 states and 2601 transitions. [2025-02-08 09:26:06,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.625) internal successors, (154), 17 states have internal predecessors, (154), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-02-08 09:26:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 2601 transitions. [2025-02-08 09:26:06,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-02-08 09:26:06,703 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:06,703 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:06,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:06,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,51 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:06,904 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:26:06,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:06,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1384540741, now seen corresponding path program 1 times [2025-02-08 09:26:06,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:06,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785529037] [2025-02-08 09:26:06,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:06,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:06,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-02-08 09:26:06,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-02-08 09:26:06,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:06,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:06,976 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-08 09:26:06,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:06,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785529037] [2025-02-08 09:26:06,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785529037] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:06,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073239184] [2025-02-08 09:26:06,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:06,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:06,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:06,979 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:06,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2025-02-08 09:26:07,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-02-08 09:26:07,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-02-08 09:26:07,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:07,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:07,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:26:07,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-08 09:26:07,274 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:07,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073239184] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:07,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:07,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-08 09:26:07,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567586963] [2025-02-08 09:26:07,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:07,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:26:07,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:07,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:26:07,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:26:07,275 INFO L87 Difference]: Start difference. First operand 1967 states and 2601 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2025-02-08 09:26:07,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:07,851 INFO L93 Difference]: Finished difference Result 2011 states and 2658 transitions. [2025-02-08 09:26:07,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:07,852 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 141 [2025-02-08 09:26:07,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:07,854 INFO L225 Difference]: With dead ends: 2011 [2025-02-08 09:26:07,854 INFO L226 Difference]: Without dead ends: 1981 [2025-02-08 09:26:07,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:07,855 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 66 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:07,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 97 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:07,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2025-02-08 09:26:08,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1965. [2025-02-08 09:26:08,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1965 states, 1744 states have (on average 1.2660550458715596) internal successors, (2208), 1766 states have internal predecessors, (2208), 196 states have call successors, (196), 2 states have call predecessors, (196), 2 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2025-02-08 09:26:08,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2600 transitions. [2025-02-08 09:26:08,046 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2600 transitions. Word has length 141 [2025-02-08 09:26:08,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:08,046 INFO L471 AbstractCegarLoop]: Abstraction has 1965 states and 2600 transitions. [2025-02-08 09:26:08,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2025-02-08 09:26:08,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2600 transitions. [2025-02-08 09:26:08,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-02-08 09:26:08,047 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:08,047 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:08,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:08,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2025-02-08 09:26:08,252 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:26:08,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:08,252 INFO L85 PathProgramCache]: Analyzing trace with hash -752261979, now seen corresponding path program 1 times [2025-02-08 09:26:08,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:08,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129377528] [2025-02-08 09:26:08,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:08,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:08,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-02-08 09:26:08,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-02-08 09:26:08,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:08,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:08,313 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-08 09:26:08,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:08,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129377528] [2025-02-08 09:26:08,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129377528] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:08,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144377929] [2025-02-08 09:26:08,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:08,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:08,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:08,315 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:08,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2025-02-08 09:26:08,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-02-08 09:26:08,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-02-08 09:26:08,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:08,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:08,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:26:08,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-08 09:26:08,541 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-08 09:26:08,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144377929] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:08,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:26:08,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-02-08 09:26:08,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239644525] [2025-02-08 09:26:08,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:08,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:26:08,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:08,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:26:08,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:08,662 INFO L87 Difference]: Start difference. First operand 1965 states and 2600 transitions. Second operand has 11 states, 10 states have (on average 24.8) internal successors, (248), 11 states have internal predecessors, (248), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2025-02-08 09:26:09,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:09,434 INFO L93 Difference]: Finished difference Result 2781 states and 3650 transitions. [2025-02-08 09:26:09,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:26:09,434 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 24.8) internal successors, (248), 11 states have internal predecessors, (248), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) Word has length 147 [2025-02-08 09:26:09,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:09,438 INFO L225 Difference]: With dead ends: 2781 [2025-02-08 09:26:09,438 INFO L226 Difference]: Without dead ends: 2779 [2025-02-08 09:26:09,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=103, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:26:09,439 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 494 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:09,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 445 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:09,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2779 states. [2025-02-08 09:26:09,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2779 to 2331. [2025-02-08 09:26:09,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2331 states, 2077 states have (on average 1.2696196437168994) internal successors, (2637), 2099 states have internal predecessors, (2637), 229 states have call successors, (229), 2 states have call predecessors, (229), 2 states have return successors, (229), 229 states have call predecessors, (229), 229 states have call successors, (229) [2025-02-08 09:26:09,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2331 states and 3095 transitions. [2025-02-08 09:26:09,667 INFO L78 Accepts]: Start accepts. Automaton has 2331 states and 3095 transitions. Word has length 147 [2025-02-08 09:26:09,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:09,667 INFO L471 AbstractCegarLoop]: Abstraction has 2331 states and 3095 transitions. [2025-02-08 09:26:09,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 24.8) internal successors, (248), 11 states have internal predecessors, (248), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2025-02-08 09:26:09,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 3095 transitions. [2025-02-08 09:26:09,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-02-08 09:26:09,667 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:09,667 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:09,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2025-02-08 09:26:09,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2025-02-08 09:26:09,868 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:26:09,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:09,868 INFO L85 PathProgramCache]: Analyzing trace with hash -111032957, now seen corresponding path program 1 times [2025-02-08 09:26:09,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:09,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281450583] [2025-02-08 09:26:09,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:09,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:09,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-02-08 09:26:09,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-02-08 09:26:09,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:09,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-08 09:26:09,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:09,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281450583] [2025-02-08 09:26:09,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281450583] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:09,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800359225] [2025-02-08 09:26:09,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:09,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:09,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:09,936 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:09,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2025-02-08 09:26:09,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-02-08 09:26:09,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-02-08 09:26:09,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:09,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:09,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:26:09,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-08 09:26:10,172 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:10,288 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-08 09:26:10,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800359225] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:10,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:26:10,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-02-08 09:26:10,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691702627] [2025-02-08 09:26:10,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:10,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:26:10,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:10,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:26:10,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:10,289 INFO L87 Difference]: Start difference. First operand 2331 states and 3095 transitions. Second operand has 11 states, 10 states have (on average 25.4) internal successors, (254), 11 states have internal predecessors, (254), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2025-02-08 09:26:11,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:11,043 INFO L93 Difference]: Finished difference Result 3237 states and 4274 transitions. [2025-02-08 09:26:11,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:26:11,044 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.4) internal successors, (254), 11 states have internal predecessors, (254), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) Word has length 149 [2025-02-08 09:26:11,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:11,048 INFO L225 Difference]: With dead ends: 3237 [2025-02-08 09:26:11,048 INFO L226 Difference]: Without dead ends: 3235 [2025-02-08 09:26:11,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:26:11,049 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 472 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:11,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 501 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:11,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3235 states. [2025-02-08 09:26:11,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3235 to 2749. [2025-02-08 09:26:11,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2749 states, 2459 states have (on average 1.2684017893452624) internal successors, (3119), 2481 states have internal predecessors, (3119), 265 states have call successors, (265), 2 states have call predecessors, (265), 2 states have return successors, (265), 265 states have call predecessors, (265), 265 states have call successors, (265) [2025-02-08 09:26:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2749 states and 3649 transitions. [2025-02-08 09:26:11,327 INFO L78 Accepts]: Start accepts. Automaton has 2749 states and 3649 transitions. Word has length 149 [2025-02-08 09:26:11,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:11,328 INFO L471 AbstractCegarLoop]: Abstraction has 2749 states and 3649 transitions. [2025-02-08 09:26:11,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.4) internal successors, (254), 11 states have internal predecessors, (254), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2025-02-08 09:26:11,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 3649 transitions. [2025-02-08 09:26:11,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-02-08 09:26:11,332 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:11,332 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:11,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:11,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2025-02-08 09:26:11,533 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:26:11,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:11,533 INFO L85 PathProgramCache]: Analyzing trace with hash -657910791, now seen corresponding path program 3 times [2025-02-08 09:26:11,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:11,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078804167] [2025-02-08 09:26:11,533 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:26:11,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:11,538 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 152 statements into 6 equivalence classes. [2025-02-08 09:26:11,557 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 152 of 152 statements. [2025-02-08 09:26:11,557 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-08 09:26:11,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:11,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [263523059] [2025-02-08 09:26:11,558 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:26:11,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:11,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:11,561 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:11,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2025-02-08 09:26:11,585 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 152 statements into 6 equivalence classes. [2025-02-08 09:26:11,603 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 119 of 152 statements. [2025-02-08 09:26:11,603 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-02-08 09:26:11,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:11,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:26:11,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-08 09:26:11,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-08 09:26:12,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:12,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078804167] [2025-02-08 09:26:12,527 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:12,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263523059] [2025-02-08 09:26:12,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263523059] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:12,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:26:12,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2025-02-08 09:26:12,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406704777] [2025-02-08 09:26:12,527 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:12,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:26:12,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:12,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:26:12,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:26:12,528 INFO L87 Difference]: Start difference. First operand 2749 states and 3649 transitions. Second operand has 13 states, 12 states have (on average 14.833333333333334) internal successors, (178), 13 states have internal predecessors, (178), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2025-02-08 09:26:17,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:17,495 INFO L93 Difference]: Finished difference Result 2885 states and 3810 transitions. [2025-02-08 09:26:17,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:26:17,496 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.833333333333334) internal successors, (178), 13 states have internal predecessors, (178), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 152 [2025-02-08 09:26:17,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:17,499 INFO L225 Difference]: With dead ends: 2885 [2025-02-08 09:26:17,499 INFO L226 Difference]: Without dead ends: 2883 [2025-02-08 09:26:17,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:26:17,501 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 488 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 1540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:17,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 617 Invalid, 1540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2025-02-08 09:26:17,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2883 states. [2025-02-08 09:26:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2883 to 2792. [2025-02-08 09:26:17,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2792 states, 2500 states have (on average 1.2644) internal successors, (3161), 2521 states have internal predecessors, (3161), 268 states have call successors, (268), 2 states have call predecessors, (268), 2 states have return successors, (268), 268 states have call predecessors, (268), 268 states have call successors, (268) [2025-02-08 09:26:17,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2792 states and 3697 transitions. [2025-02-08 09:26:17,772 INFO L78 Accepts]: Start accepts. Automaton has 2792 states and 3697 transitions. Word has length 152 [2025-02-08 09:26:17,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:17,772 INFO L471 AbstractCegarLoop]: Abstraction has 2792 states and 3697 transitions. [2025-02-08 09:26:17,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.833333333333334) internal successors, (178), 13 states have internal predecessors, (178), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2025-02-08 09:26:17,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 3697 transitions. [2025-02-08 09:26:17,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-02-08 09:26:17,773 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:17,773 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:17,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:17,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,55 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:17,974 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:26:17,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:17,974 INFO L85 PathProgramCache]: Analyzing trace with hash 308403513, now seen corresponding path program 4 times [2025-02-08 09:26:17,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:17,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241766963] [2025-02-08 09:26:17,975 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:26:17,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:17,979 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 152 statements into 2 equivalence classes. [2025-02-08 09:26:18,004 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 152 of 152 statements. [2025-02-08 09:26:18,004 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:26:18,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:18,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534641243] [2025-02-08 09:26:18,009 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:26:18,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:18,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:18,011 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:18,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2025-02-08 09:26:18,055 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 152 statements into 2 equivalence classes. [2025-02-08 09:26:18,089 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 152 of 152 statements. [2025-02-08 09:26:18,089 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:26:18,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:18,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-02-08 09:26:18,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:19,407 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 24 proven. 87 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:26:19,407 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:19,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:19,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241766963] [2025-02-08 09:26:19,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:19,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534641243] [2025-02-08 09:26:19,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534641243] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:19,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:19,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2025-02-08 09:26:19,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155314104] [2025-02-08 09:26:19,610 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:19,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:26:19,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:19,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:26:19,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:26:19,611 INFO L87 Difference]: Start difference. First operand 2792 states and 3697 transitions. Second operand has 16 states, 15 states have (on average 6.4) internal successors, (96), 16 states have internal predecessors, (96), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13)